X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=ChangeLog;h=dc80df41d4610d0cd553d96616356810e3e0e739;hp=69749dfaca29c843b4d608bbbbb2281c5563551c;hb=3db793e7f1a553587e96efdc6e063837f5ff93c5;hpb=ae7b8e0a1e942b656233be9c648a27f5cb9a585e

diff --git a/ChangeLog b/ChangeLog
index 69749dfa..dc80df41 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,1587 @@
+2019-11-01 babeltrace 2.0.0-rc2 (National Vinegar Day)
+	* Cleanup: src.ctf.lttng-live: add missing `#include <stdint.h>`
+	* Cleanup: src.ctf.lttng-live: remove usage of `bt_object`
+	* lib: lib-logging.c: `Babeltrace library` -> `libbabeltrace2`
+	* ctf: msg-iter.c: rename `notit` to `msg_it`
+	* ctf: msg-iter.c: use `_APPEND_CAUSE` variants of logging macros
+	* src.ctf.lttng-live: use `_APPEND_CAUSE` variants of logging macros
+	* src.ctf.lttng-live: make `lttng_live_attach_session()` return status
+	* src.ctf.lttng-live: make `lttng_live_get_one_metadata_packet()` return status
+	* logging: ignore -Wundef in log.c
+	* lib: Make `bt_version_get_*() return unsigned int
+	* Rename `BT_RANGE_SET_` to `BT_INTEGER_RANGE_SET_`
+	* bt2: validate parameters to _TraceClass.create_stream_class before creating the native object
+	* tests: use assertRaisesRegex instead of assertRaises in test_stream_class.py
+	* Cleanup: add `#include <stdbool.h>` whenever `bool` type is used
+	* lib: remove `BT_GRAPH_RUN_STATUS_END`
+	* Cleanup: ctf: msg-iter.c: rename `ret` to `status`
+	* Cleanup: ctf: remove duplicated logging statement
+	* Cleanup: msg-iter.c: make `create_msg_*()` return msg
+	* Cleanup: src.ctf.lttng-live: NULL check already done in `_is_canceled()` func
+	* cli: Remove unnecessary NULL check in print_value_rec
+	* source.ctf.lttng-live: clean-up: don't restart session iteration
+	* source.ctf.lttng-live: clean-up: don't restart stream iteration
+	* Fix: source.ctf.lttng-live: assertion on equal messages
+	* Add compile_commands.json to .gitignore
+	* Cleanup: src.ctf.lttng-live: coding style
+	* Fix: add missing decoder-packetized-file-stream-to-buf.h
+	* Fix -Wmissing-prototypes/-Wmissing-declarations warnings
+	* ctf: Remove redundant declarations of lexer/parser functions
+	* ctf-writer: Fix -Wredundant-decls warning
+	* Fix: ctf-writer: field_type_common_has_known_id always returns true
+	* Fix -Wshadow warnings
+	* debug-info: fix one -Wnull-dereference warning
+	* ctf: define yystrlen to strlen
+	* ctf: Fix one -Wnull-dereference warning
+	* ctf, ctf-writer: Fix -Wnull-dereference warnings
+	* Fix -Wjump-misses-init warnings
+	* Fix -Wmissing-include-dirs warnings
+	* Fix -Wduplicated-cond warnings
+	* black: run `black` version 19.10b0 on entire project
+	* Fix: log.h: missing defines of `_ERRNO()` macros to `_UNUSED()`
+	* Fix -Wsuggest-attribute warnings
+	* Fix -Wstrict-prototypes warnings
+	* configure: allow adding compiler-specific warning flags
+	* Fix: tests: add cli/params/test_params to Makefile and fix it
+	* Cleanup: babeltrace2-cfg-cli-args.c: coding style
+	* Cleanup: usages of bt_value_array_borrow_element_by_index{,_const}()
+	* Fix: usage of `bt_value_array_get_length()`
+	* lib: make `bt_attributes_get_count()` return uint64_t
+	* Use typeof instead of __auto_type
+	* Fix: src.ctf.fs: free ds_file_info when add_ds_file_to_ds_file_group fails
+	* Fix: define macros for logging levels
+	* Tests: debug-info: compare output of `CompleteSrc`
+	* Tests: debug-info: compare without `debug-info` component
+	* debug-info: have `copy_*_content()` function return _STATUS
+	* flt.lttng-utils.debug-info: add all SC and EC to output trace class ASAP
+	* Fix: param-validation: remove memory leaks
+	* Fix: shadowed variables
+	* src.ctf.fs: append error causes in ctf_fs_file_open
+	* lib: add _msg parameters to _ERRNO logging macros
+	* lib: remove plugin's ABI version
+	* Remove unused `src/lib/trace-ir/clock-snapshot-set.h`
+	* lib: remove unused bt_graph_remove_unconnected_component()
+	* Always evaluate BT_ASSERT(); add BT_ASSERT_DBG() for debug mode only
+	* lib: remove includes from logging.h
+	* bt2: make log functions clear error indicator
+	* Fix: bt2: clear Python error indicator in trace and trace class destruction listeners
+	* bt2: normalize the code to use some commonly used patterns
+	* bt2: rename exception handling functions
+	* src.ctf.fs: error out when failing to create index
+	* bt2: Force usage of MapValue object on component init
+	* Fix: consider index of all files for data stream groups with multiple files
+	* Use assertRegex instead of assertRegexpMatches
+	* Fix: src.ctf.fs: use BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE when applicable
+	* Cleanup: Dead assignments
+	* Cleanup: flt.lttng-utils.debug-info: Dead assignment
+
+2019-10-17 babeltrace 2.0.0-rc1
+	* Fix: avoid double-free in build_index_from_idx_file
+	* Fix: ctf: query.c: Unchecked fclose() return value
+	* Bump required glib version to 2.28
+	* tests: test eq and ne operators of fields and values against arbitrary objects and None
+	* tests: test_field.py: enable tests using _test_binop_lhs_value_same
+	* babeltrace2-intro(7): refer to `babeltrace2(1)` i/o `babeltrace2-convert(1)`
+	* babeltrace2-intro(7): add more changes since Babeltrace 1
+	* Cleanup: src.ctf.lttng-live: Dead assignment
+	* tests: remove test_ctf_writer_clock.py
+	* Fix: flt.lttng-utils.debug-info: Dereference after null check
+	* doc/man/common-footer.txt: fix Git repository and bug tracker resources
+	* Update project's README
+	* doc/man/common-footer.txt: refer to `#lttng` IRC channel only
+	* doc/man/common-footer.txt: update bug tracker resource
+	* lib, plugins: use bt_field_class_type_is() where suitable
+	* lib: use powers of two for object type enumerators
+	* lib: rename option/var. "selector" to "selector field"
+	* lib: have dedicated "dynamic array FC with/without length field" types
+	* Fix: destroy_pretty_data: move NULL check earlier
+	* tests: make test_intersection use bt_cli, test error cases
+	* Fix: check for NULL in destroy_pretty_data
+	* Cleanup: src.ctf.lttng-live: coding style
+	* Cleanup: flt.lttng-utils.debug-info: coding style fixes
+	* Fix: avoid -Wmaybe-uninitialized warning in validate_map_value_entry
+	* Fix: actually run the param validation test
+	* Fix: don't use BT_VALUE_MAP_FOREACH_ENTRY_CONST_STATUS_MEMORY_ERROR
+	* filter.utils.trimmer: validate parameters using param-validation
+	* filter.utils.muxer: validate parameters using param-validation
+	* sink.utils.dummy: validate parameters using param-validation
+	* sink.utils.counter: validate parameters using param-validation
+	* sink.text.pretty: validate parameters using param-validation
+	* src.text.dmesg: validate parameters using param-validation
+	* sink.text.details: validate parameters using param-validation
+	* flt.lttng-utils.debug-info: validate parameters using param-validation
+	* flt.lttng-utils.debug-info: tidy up component initialization
+	* src.ctf.lttng-live: validate parameters using param-validation
+	* sink.ctf.fs: validate parameters using param-validation
+	* src.ctf.fs: validate parameters using param-validation
+	* Add parameter validation utility
+	* cli: ensure queries always receive a map
+	* Cleanup: ctf: logically dead code
+	* tests: rename PRINT_FORMAT to TAP_PRINTF_FORMAT
+	* values: make `bt_value_map_extend()` extend the provided base map
+	* tests: make test names in plugins/flt.utils.trimmer/test_trimming unique
+	* Fix: format string warnings on mingw
+	* Fix: lib: field-class.c: memory leak on error
+	* Cleanup: lib: field-class.c: fix logging message for variant FC
+	* Require automake >= 1.12
+	* Fix: fix wint_t warning on MSYS2/mingw
+	* src.ctf.lttng-live: make lttng_live_component_create static
+	* Cleanup: flt.lttng-utils.debug-info: coding style
+	* port: fix link order of babeltrace2.exe
+	* Fix: lib: field.c: calling _PUT_REF() on unique objects on error
+	* lib: rename `bt_*_compare()` to `bt_*_is_equal()`
+	* Cleanup: lib: graph.c: dead assignment
+	* Fix: fix some warnings shown with -Wextra on gcc 9.1.0
+	* tests: test_output_path_ctf_non_lttng_trace_output small improvements
+	* Move CLI params parsing to its own lib
+	* Cleanup: flt.lttng-utils.debug-info: remove leftover comments
+	* Fix: tests: remove unused imports
+	* cli: update error message in set_stream_intersections
+	* tests: get rid of missing-field-initializers warning in test_bin_info.c
+	* tests: constify format strings in tap.h
+	* tests: add format attributes to functions receiving format strings in tap.h
+	* trace{-class}.c: BT_ASSERT_PRE() -> BT_ASSERT_POST() (ref. count check)
+	* lib: rename `bt_object_{get,put}_no` -> `bt_object_{get,put}_ref_no`
+	* test_package.py: use list of public names instead of dedicated methods
+	* field_class.py: normalize field class names (`_NAME`)
+	* lib, bt2: rename "signed/unsigned sel." -> "integer signed/unsigned sel."
+	* lib: add option field classes with integer selectors
+	* fs-sink-trace.c: lttng_validate_datetime(): ignore deprecated decl.
+	* Fix: iterator.c: initialize `status` (may be used uninitialized)
+	* m4: sync ax_pthread.m4 with autoconf archive
+	* bt2: add `IntegerRangeSet` const classes
+	* Tests: bt2: move `_create_const_field()` to utils.py
+	* Cleanup: bt2: typo "nsigned" -> "unsigned"
+	* lib: make it mandatory to have seek_X if can_seek_X is defined
+	* lib: make can_seek_ns_from_origin logic use `can_seek_forward` property of iterator
+	* tests: remove CR characters from expected file in test_live
+	* tests: use os.rename instead of os.replace in lttng_live_server.py
+	* tests: convert paths passed to lttng_live_server.py
+	* tests: name temporary files in test_live
+	* Fix: ctf: open metadata file using mode "rb"
+	* cli: print map value in ASCII-betical order of keys
+	* tests: use bt_cli in test_trace_copy
+	* port: mmap offset alignment on Windows
+	* tests: delete temporary files in cli/test_help
+	* Cleanup: tests: remove debugging `diag` leftover
+	* Rename `BT_PLUGIN_EXIT` to `BT_PLUGIN_FINALIZE`
+	* Rename `init` methods to `initialize`
+	* lib: split real FC/field into single and double prec FC/field
+	* Fix: cli: don't log error when using help command with a plugin name
+	* Fix: bt2: duplicate test name in test_field.py
+	* bt2: remove unused variable in UserMessageIteratorSeekNsFromOriginTestCase.test_seek_ns_from_origin
+	* Fix: bt2: duplicate test name in _IntegerRangeTestCase
+	* Fix: bt2: use of undefined variable in _VariantFieldClassWithSelectorTestCase.test_const_append
+	* Fix: bt2: unused assignments in test_field_class.py
+	* bt2: print actual and expected lengths in _StaticArrayField._set_value error message
+	* bt2: ignore comparison to None flake8 warnings in test_value.py
+	* bt2: remove duplicate test test_create_from_vint in RealValueTestCase
+	* bt2: remove duplicated test test_setitem_none in ArrayValueTestCase
+	* bt2: rename test with conflicting name in test_trace.py
+	* Add setup.cfg with sensible flake8 configuration
+	* lib: pass config object to message iterator init method, add can seek forward property
+	* Fix: tests: live: listen on python < 3.5 needs backlog parameter
+	* lib: pass config objects to component init methods
+	* bt2: make it possible to remove a trace class or trace destruction listener
+	* bt2: make it work for Python 3.4
+	* Update project plugins's properties
+	* utils.sh: expand `${extra_details_args[@]}` conditionally
+	* sink.text.details: add `with-data` initialization parameter
+	* Add basic `sink.text.details` tests
+	* sink.text.details: don't write `:` after `Packet beginning` without ctx
+	* src.ctf.fs: deterministically sort trace's DS file groups
+	* Tests: src.ctf.lttng-live: add inverse ordering from relayd
+	* Add LTTng-independent `src.ctf.lttng-live` tests
+	* bt2: field.py: raise ValueError when setting out of range value to Integer
+	* bt2: remove unused import
+	* Fix: muxer_upstream_msg_iters_can_all_seek_beginning(): init. `status`
+	* flt.utils.muxer: remove `assume-absolute-clock-classes` param
+	* cli: make `--clock-force-correlate` use `force-clock-class-origin-unix-epoch`
+	* src.ctf.fs: add `force-clock-class-origin-unix-epoch` param
+	* bt2: print error causes in bt2._Error.__str__
+	* tests: utils.sh: add lttng-utils plugin to plugin path
+	* Cleanup: clock-snapshot.c: logically dead code
+	* Fix: test_dwarf.c: close() argument cannot be negative
+	* Cleanup: ctf-writer: field-wrapper.c: logically dead code
+	* Fix: ctf-writer: stream-class.c: Dereference after null check
+	* Fix: flt.lttng-utils.debug-info: bin-info.c: Dereferencing null pointer
+	* Fix: object-pool.c: dereferenced before null check
+	* Cleanup: packet-context-field.c: logically dead code
+	* Fix: output non-LTTng CTF trace with same relative path as input
+	* cli: don't include version.h in babeltrace2-cfg-cli-params-arg.c
+	* bt2: add `if __name__ == '__main__'` snippet to all tests
+	* bt2: remove native_bt.d in `make clean`
+	* Fix: ctf: assert that name is not NULL in warn_meaningless_field()
+	* ctf: silence bogus warning in set_field_refs()
+	* ctf: silence bogus warnings in create_relative_field_ref()
+	* bt2: expose seek_ns_from_origin and can_seek_ns_from_origin
+	* bt2: test_message_iterator: use assertIs instead of assertTrue/assertFalse in can seek tests
+	* bt2: remove _GenericMessageIterator abstraction level
+	* bt2: make can_seek_beginning a method instead of a property
+	* lib: remove END values from bt_message_iterator_seek_{beginning,ns_from_origin}_status
+	* lib: make can_seek_beginning and can_seek_ns_from_origin methods return a status
+	* bt2: refactor test_message_iterator
+	* bt2: rename _FieldPath to _FieldPathConst
+	* Update manual pages for 2.0.0-rc1
+	* tests: make UUIDs under data/ctf-traces/intersection unique
+	* Fix: fd-cache: Assertion failure if cache not allocated
+	* Fix: plugin-so.c: Assert failure on short name file in plugin-path
+	* Fix: plugin.c: leak of `bt_plugin_set`
+	* bt2: move _append_option to non-const versions of variant classes
+	* bt2: assign non-const version of field_class_variant_option_borrow_user_attributes to _VariantFieldClassOption._borrow_user_attributes_ptr
+	* bt2: field_class: rename range set Python class template to _range_set_pycls
+	* bt2: allow getting self output port from user message iterator
+	* lib: remove bt_self_port{,_input,_output}
+	* bt2: template borrow_user_attributes method in _TraceClassConst, _StreamClassConst and _ClockClassConst
+	* bt2: add `__hash__()` method on hashable fields
+	* Fix: src.ctf.lttng-live: no stream beginning/end messages
+	* bt2: Makefile: track dependencies of native_bt.c
+	* bt2: tests: Assert CC type, not if a subclass
+	* bt2: Add `Const` suffix to non-user component-related classes and adapt tests
+	* bt2: Add `Const` suffix to `_*Port` classes and adapt tests
+	* bt2: Add `Const` suffix to `_Connection` class and adapt tests
+	* bt2: Add remaining trace-ir `*Const` classes and adapt tests
+	* bt2: Add `_Clock*Const` classes and adapt tests
+	* bt2: Add `*ValueConst` classes and adapt tests
+	* bt2: field.py: add index check in `selected_option_index` setter of `_VariantField`
+	* bt2: field.py: add `_count` method to `_VariantField`
+	* lib: add non-const FC borrow functions for container FCs
+	* lib: add `bt_field_borrow_class()` function declaration
+	* lib: fix can_seek_beginning method type cast
+	* bt2: fix _seek_beginning -> _user_seek_beginning in comment
+	* bt2: fix trivial typo
+	* lib: make message iterator creation functions return a status
+	* rename `babeltrace.trace-info` to `babeltrace.trace-infos`, `streams` to `stream-infos`
+	* cli: improve error logging in set_stream_intersections
+	* bt2: pass all params to `babeltrace.trace-info` query when computing stream intersection
+	* ctf: remove `intersection-range-ns` from `babeltrace.trace-info` query
+	* ctf: remove unnecessary assignment
+	* ctf: make src.ctf.fs handle a single trace
+	* ctf: make src.ctf.fs not recurse
+	* ctf: make src.ctf.fs group inputs by UUID in `babeltrace.support-info` query
+	* ctf: add internal ctf_metadata_decoder_get_trace_class_uuid()
+	* ctf: refactor metadata decoder to always have an instance
+	* Add bt_common_append_file_content_to_g_string()
+	* ctf: use create + append/insert functions when possible
+	* ctf: remove ctf_fs_trace::name
+	* cli: remove unused path variable in set_stream_intersections
+	* ctf: remove unused fields from `babeltrace.trace-info` query
+	* tests: fix 'expected 2 blank lines, found 1' warning in utils.py
+	* bt2: add missing bt2 import in interrupter.py
+	* python: fix all "do not use bare 'except'" warnings
+	* python: fix all 'imported but unused' warnings
+	* python: fix all 'is assigned to but never used' warnings
+	* autodisc: don't accept NULL values for `support-info` query `group` key
+	* autodisc: improve logging
+	* bt2: make ComponentSpec take a component class object
+	* autodisc: cast when assigning to different enum type
+	* autodisc: make it possible to interrupt auto source discovery
+	* Make bitfield.h C++-friendly
+	* trimmer: make filter.utils.trimmer append error causes
+	* bt2: make _create_event_message's parent parameter mandatory
+	* ctf: make src.ctf.fs append error causes
+	* Fix: cli: check return value of bt_value_array_append_string_element
+	* Fix: ctf: fix possible use-after-free in ctf_fs_component_create
+	* Fix: cli: replace remaining log level `V` (verbose) -> `T` (trace)
+	* Fix: sink.ctf.fs: dereference before NULL check
+	* Fix: autodisc: possible use-after-free
+	* Fix: sink.utils.counter: possible NULL pointer dereference
+	* sink.ctf.fs: cleanup: duplicated `:` in log statements
+	* Fix: sink.ctf.fs: possible use-after-free
+	* lib: make g++ happy with plugin-dev.h macros
+	* bt2: don't show warning when query method raises a non-error exception
+	* bt_common_parse_lttng_live_url(): don't accept `net://RDHOST/host/TGTHOST`
+	* src.ctf.lttng-live: return unsigned integers in `sessions` query object
+	* Fix: pass `inputs` parameter to implicit `src.ctf.lttng-live`, not `url`
+	* cli: allow map values in --params arguments
+	* tests: add tests for CLI params parsing
+	* cli: exit with error if a plugin fails to load
+	* cli: set log levels earlier
+	* cli: return if bt_plugin_find_all_from_dir fails in load_dynamic_plugins
+	* Fix: lib: increment refcount of bt_value_null when copying it
+	* Fix: cli: increment bt_value_null ref count when returning null value
+	* Fix: field-class.c: dereference before `NULL` check
+	* Tests: ctf: add basic `metadata-info` query test
+	* bt2: add `StringValue.__contains__()` method
+	* cli: "Babeltrace configuration" -> "Babeltrace CLI configuration"
+	* cli: `convert` command: do not allow more than one sink component
+	* cli: make --plugin-path and --omit-{system,home}-plugin-path global opts
+	* Add all CLI `convert` command's tests to project's test suite
+	* Fix: test_convert_args: use correct path to `utils.sh`
+	* live_viewer_connection_create(): fix leak on connection error
+	* Fix: bt_common_string_until(): reset returned variable on error
+	* src.ctf.lttng-live: handle `babeltrace.support-info` query object
+	* lib: make empty array/map appending/inserting functions return new object
+	* lib: rename `BABELTRACE_DISABLE_PYTHON_PLUGINS` -> `LIBBABELTRACE2_...`
+	* Tests: ctf: add tracers timestamp quirks workaround test cases
+	* ctf: decoding: accommodate barectf `event-before-packet` timestamp quirk
+	* ctf: decoding: accommodate LTTng `event-after-packet` timestamp quirk
+	* ctf: decoding: accommodate lttng-crash timestamp quirk
+	* ctf: index: accommodate lttng-crash timestamp quirk
+	* ctf: index: set `beginning` and `end` clock snapshot
+	* ctf: index: accommodate bug in barectf tracer
+	* ctf: index: accommodate bug in LTTng tracers
+	* ctf: add weak ref to stream file in index entry
+	* ctf: add tracer version extraction function
+	* ctf: msg-iter: add event timestamp accessors
+	* ctf: msg-iter: extract func to decode packet until specific states
+	* ctf: introduce dry-run mode for `bt_msg_iter`
+	* ctf: only reset state of `bt_msg_iter` on _reset()
+	* lib: remove unneeded `enum` tags in public headers
+	* lib: assign values to all public enumerators
+	* lib: standardize status of bt_util_clock_cycles_to_ns_from_origin()
+	* lib: graph.h: fix formatting
+	* lib: remove unused `enum bt_self_component_port_status`
+	* lib: rename bt_value_array_get_size() -> bt_value_array_get_length()
+	* bt2: rename `_Trace.env` -> `_Trace.environment`
+	* bt2: add user attributes property support
+	* sink.text.details: print user attributes
+	* flt.lttng-utils.debug-info: copy user attributes
+	* lib: add user attributes property to metadata, stream, and trace objects
+	* lib: trace-class.c: use `LIB/TRACE-CLASS` logging tag
+	* lib: add bt_field_class_variant_borrow_option_by_{index,name}()
+	* bt2: rename `_Field.field_class` -> `_Field.cls`
+	* bt2: add bit array field class and field support
+	* sink.ctf.fs: write bit array field classes and fields
+	* sink.text.details: print bit array field classes and fields
+	* sink.text.pretty: print bit array fields
+	* flt.lttng-utils.debug-info: copy bit array field class and field objects
+	* lib: add bit array field class and field types
+	* bt2: add option field class and field support
+	* sink.ctf.fs: write option field classes and fields
+	* sink.text.details: use write_none_prop_value() for empty array fields
+	* sink.text.details: print option field classes and fields
+	* sink.text.pretty: print option fields
+	* flt.lttng-utils.debug-info: copy option field class and field objects
+	* lib: add option field class and field types
+	* bt2: add boolean field class and field support
+	* sink.ctf.fs: write boolean field classes and fields
+	* sink.text.details: print boolean field classes and fields
+	* sink.text.pretty: print boolean fields
+	* flt.lttng-utils.debug-info: copy boolean field class and field objects
+	* lib: add boolean field class and field types
+	* bt2: cleanup: Remove unused `_StreamClass` id setter
+	* bt2: cleanup: Remove unused `_StreamClassIterator` class
+	* tests: return 0 instead of None for unknown file in test component class support-info query
+	* bt_uuid_compare: return actual comparison
+	* sink.ctf.fs: isa_length is now architecture_bit_width
+	* src.ctf.lttng-live: consider youngest only when timestamp is smaller
+	* Use uuid as first comparison criteria
+	* src.ctf.lttng-live: cleanup: rename functions and variables
+	* Fix: src.ctf.lttng-live: missing ordering within traces and streams
+	* bt2: `TraceCollectionMessageIterator`: find greatest MIP version
+	* cli: find greatest operative MIP version to create `run` command's graph
+	* lib: bt_graph_create(): accept MIP version
+	* bt2: add bt2.get_{greatest_operative,maximal}_mip_version()
+	* bt2: add "get supported MIP versions" method support
+	* bt2: _IntegerRangeSet.add(): make it possible to add a single value
+	* bt2: add `ComponentDescriptor` class and test
+	* lib: add bt_get_{greatest_operative,maximal}_mip_version() functions
+	* Fix: {graph,query-executor}.h: missing `STATUS_` before `MEMORY_ERROR`
+	* lib: add "get supported MIP versions" method support
+	* lib: graph.c: add missing `enum` and `const` keywords
+	* lib: add component descriptor set API
+	* bt2: py_plugin.py: cache `_PluginInfo` objects
+	* bt2: remove unused imports
+	* bt2: raise an exception if an AutoSourceComponentSpec produces no component
+	* tests: remove bt_diff_cli_sorted from utils.sh
+	* tests: use os.pathsep when appending to BABELTRACE_PLUGIN_PATH
+	* cli: mention path separator for Windows in comment
+	* test_plugin.py: do not search in user/system directories for tests
+	* Fix: bt2: replace bt2.CreationError instances with bt2._MemoryError
+	* bt2: add auto source discovery support to TraceCollectionMessageIterator
+	* tests: move auto source discovery test artifacts
+	* Move autodisc to its own convenience library
+	* tests: make auto-source-discovery-{log_level,params} tests use sink.text.details
+	* tests: make auto-source-discovery-grouping test use sink.text.details
+	* tests: print executed CLI command line in bt_cli
+	* tests: make bt_diff check a single file pair
+	* tests: add bt_cli util function
+	* m4/pprint.m4: check that the terminal supports at least 8 colors
+	* Fix: flt.utils.muxer: Explicit null dereferenced
+	* Fix: muxer: check for MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE in validate_new_stream_clock_class
+	* Tests: flt.utils.muxer: run `black` on bt_plugin_muxer_test.py
+	* src.ctf.lttng-live: use `common_muxing_compare_messages()` to break TS ties
+	* Add message compare common func/library; make flt.utils.muxer use it
+	* logging/log.h: always write the source file name and line number
+	* Fix: tests: flt.utils.muxer: missing '../' in path to utils.sh
+	* Fix: visitor-generate-ir.c: dereference after `NULL` check
+	* Fix: plugin-so.c: dereference after `NULL` check
+	* Fix: plugin-so.c: dereference before `NULL` check
+	* Fix: common.c: logically dead code
+	* Fix: cli/babeltrace2.c: logically dead code
+	* Fix: dmesg.c: deference before `NULL` check
+	* Fix: translate-trace-ir-to-ctf-ir.c: dereference after `NULL` check
+	* Fix: argpar.c: logically dead code
+	* Fix: babeltrace2-cfg-cli-args.c: uninitialized pointer read
+	* Fix: src.ctf.lttng-live: omitting stream end on stream hang up
+	* Fix: muxer.c: compare_events(): initialize `ret` to 0
+	* src.ctf.lttng-live fix: remove overly strict check for session name
+	* Tests: flt.utils.muxer: add message ordering tests
+	* flt.utils.muxer: deterministically order messages of same timestamps
+	* Fix: extra '%' causes babeltrace2 to abort() in logging code
+	* Fix: bt2: use unsigned iteration variable
+	* Fix: `ctf` plugin: msg-iter.c: do not switch packet twice
+	* src.ctf.lttng-live: `live_viewer_connection`: make `obj` first member
+	* lib, bt2: make query method receive custom data
+	* Add bt_graph_add_simple_sink_component() tests
+	* Fix: src/lib/graph/graph.h: do not override `comp_status` value
+	* lib: add bt_graph_add_simple_sink_component()
+	* lib: remove colander sink component class
+	* cli, tests: rename "leftover" terms to "non-option"
+	* test_try_again_many_times(): use three times `None`'s ref count
+	* lib: remove output port message iterator
+	* bt2: make `TraceCollectionMessageIterator` not use an output port msg iter
+	* bt2: wrap bt_graph_run_once() (Graph.run_once())
+	* lib: rename bt_graph_consume() -> bt_graph_run_once()
+	* bt2: pass custom Python object to Python component's __init__()
+	* bt2: remove BT CC entry from global HT in _UserComponentType.__del__()
+	* cli: free auto_source_discovery_result::original_input_indices
+	* cli: free leftover_params and leftover_loglevels
+	* cli: apply log levels (`--log-level` option) to leftovers
+	* cli: apply parameters (`--params` option) to leftovers
+	* bt2: move common internal functions to their own files
+	* bt2: native_bt_version.i: use `%include <babeltrace2/version.h>`
+	* bt2: put SWIG interface file C code in separate files
+	* tests: reorganize CLI's `convert` tests
+	* cli: handle leftovers in the same loop as components
+	* cli: remove `run` and `convert` commands' --name option
+	* cli: remove `convert` command's --path and --url options
+	* Remove popt from project's dependencies
+	* cli: remove babeltrace2-log
+	* cli: use argpar for parsing query command's arguments
+	* cli: use argpar for parsing list-plugin command's arguments
+	* cli: use argpar for parsing help command's arguments
+	* cli: use argpar for parsing convert command's arguments
+	* cli: use argpar for parsing run command's arguments
+	* cli: use argpar for top-level args
+	* Add internal command-line argument parser API
+	* bt2: stream.py: add `trace` property to _Stream
+	* `ctf` plugins: port: cast to intmax_t all off_t variables when printing
+	* configure.ac: refine Python 3 interpreter and dev. libraries detection
+	* src.ctf.lttng-live: live_..._list_sessions(): remove handshake
+	* Fix: live_viewer_connection_create(): `lttng_live_msg_iter` can be `NULL`
+	* Fix: tests/utils/utils.sh: export `BT_TESTS_PYTHON_CONFIG_BIN`
+	* `ctf` plugin: Use CTF_BYTE_ORDER_UNKNOWN in place of -1
+	* tests: fix test_auto_source_discovery on mingw
+	* `ctf` plugin: Use CTF_SCOPE_PACKET_UNKNOWN in place of -1
+	* lib: Explicit cast to bt_plugin_find_status
+	* src.ctf.lttng-live: Use SESSION_NOT_FOUND_ACTION_UNKNOWN in place of -1
+	* `ctf` plugin: Use is_log_level_set to infer ctf_event_class log_level validity
+	* sink.ctf.fs: remove unusued _is_variant_field_class_tag_valid()
+	* lib: prepare the ground for stateful query operations
+	* bt2: honor self component or query log level when logging
+	* Move `src/plugins/comp-logging.h` -> `src/logging/comp-logging.h`
+	* tests/bindings/python/bt2: remove unneeded `import` lines
+	* Test `bt2` public names (`test_package.py`)
+	* Add `babeltrace.` prefix to `trace-info` and `support-info` query objects
+	* lib: standardize listener ID types with new `bt_listener_id` type
+	* lib: rename INVALID_OBJECT status to UNKNOWN_OBJECT
+	* bt2: move __version__ to version.py.in
+	* *_string() enumerator to string functions: remove common prefix
+	* lib: rename `bt_scope` -> `bt_field_path_scope`
+	* cli: fix "permission denied" test after g_dir_open
+	* tests/Makefile.am: add `test_auto_source_discovery` to suite
+	* bt2: prepend `_user` to overridable protected methods
+	* bt2: make `bt2._OverflowError` inherit `bt2._Error`
+	* bt2: _init_and_register_exit(): remove unused `version` variable
+	* bt2: clean available `bt2` package names
+	* test_error.py: remove dangling print()
+	* bt2: move `_ListenerHandle` to `utils.py`
+	* bt2: prepend `_` to names of exception classes the user cannot call
+	* lib: rename all `*_STATUS_OVERFLOW` -> `*_STATUS_OVERFLOW_ERROR`
+	* lib: append error cause when returning `BT_FUNC_STATUS_OVERFLOW`
+	* bt2: import public names into `__init__.py`
+	* bt2: rename `_Generic*ComponentClass` -> `_*ComponentClass`
+	* lib: remove INVALID_PARAMS status
+	* cli: remove the global volatile `interrupted` variable
+	* lib: bt_query_executor_query(): check interruption state before querying
+	* lib: add bt_plugin_find_all()
+	* lib: add bt_{graph,query_executor}_add_interrupter()
+	* bt2: add interrupter support
+	* lib: add interrupter API
+	* lib: create input port msg iterator from self {msg iterator, sink comp.}
+	* bt2: fix some whitespace issues
+	* lib: make default query implementation return INVALID_OBJECT, remove UNSUPPORTED status
+	* lib: remove LOADING_ERROR status
+	* bt2: remove NonexistentClockSnapshot exception type
+	* bt2: prepend underscore to exceptions not meant to be raised by user
+	* bt2: rename CreationError to MemoryError, handle it in and out of Python bindings
+	* bt2: make bt2.Error wrap current thread's error
+	* bt2: make bt2 add graph listener wrappers append error causes
+	* bt2: make bt_bt2_trace_{,class}_add_destruction_listener return a status
+	* bt2: remove utils._handle_ptr
+	* py-common: make bt_py_common_format_exception accept an arbitrary exception
+	* Fix: bt2: Make bindings target depend on convenience libraries
+	* tests: fix Windows support in test_convert_args
+	* tests: readlink 'canonicalize' is GNU specific
+	* tests: fix Python plugin provider tests on Windows
+	* Standardize `!ptr` i/o `ptr == NULL`, `ptr` i/o `ptr != NULL`
+	* bt2: do not require sink component's _graph_is_configured() method
+	* bt2: move _bt_graph_is_configured_from_native() to `_UserSinkComponent`
+	* Update python bindings gitignore for native_bt.c
+	* cli: automatically detect sources for leftover arguments
+	* src.ctf.lttng-live: LOGI instead of LOGW when getting queried for an unknown object
+	* sink.text.pretty: don't use printf for binary values
+	* sink.text.pretty: use bt_common_g_string_append and bt_common_g_string_append_c
+	* sink.text.pretty: remove field filtering
+	* sink.text.pretty: do not printf field name strings
+	* sink.text.pretty: use bt_common_g_string_append_printf
+	* common: implement bt_common_g_string_append and bt_common_g_string_append_c
+	* common: implement bt_common_g_string_append_printf
+	* tests/Makefile.am: remove needless comment
+	* Fix: bt2: incref Py_None in get_msg_range_common on error
+	* lib: logging: add `%!R` conv. specifier for integer range set and use it
+	* lib: rename functions to clearly indicate API inheritance
+	* Tests: flt.lttng-utils.debug-info: update debug-info tests
+	* Fix: flt.utils.muxer: don't clear an empty `GPtrArray`
+	* `test_plugin.py`: use absolute paths for plugin path comparison
+	* `test_query_trace_info.py`: adapt regex to NT path style
+	* tests/plugins/flt.utils.trimmer/Makefile.am: remove useless HAVE_PYTHON guard
+	* flt.utils.muxer: support stream messages with default clock snapshot
+	* bt2: fix: don't return in bt_bool out typemap
+	* bt2: remove unrelated comment from native_bt_integer_range_set.i
+	* Apply black code formatter on all Python code
+	* Explicitly mention `black` in CodingStyle guidelines
+	* Tests: add `tap` utils code to Black formatter exclusion list
+	* lib: remove `BT_ASSERT_PRE_FUNC`
+	* lib: bt_field_class_dynamic_array_create(): accept length FC parameter
+	* lib: decouple variant FC option names from selector FC mapping names
+	* bt2: add integer range set support
+	* lib: add integer range and integer range set API
+	* Fix various "may be used uninitialized" warnings (GCC)
+	* Fix: CTF writer: bt_ctf_field_unsigned_integer_set_value() -> *get_value()
+	* Fix: BT_ASSERT_PRE_DEV(): use `##__VA_ARGS`, not `#__VA_ARGS`
+	* bt2: report errors from Python component and component class callbacks
+	* bt2: check for _graph_is_configured method in user sink classes
+	* plugins: log failure to load plugin as a warning
+	* tests: run_python_bt2: error out if BT_TESTS_BUILDDIR does not point to a build directory
+	* bt2: don't copy swig interface files to build directory
+	* bt2: run swig by hand instead of through "setup.py build_ext"
+	* configure: report SWIG and SWIG_LIB values
+	* cli: move plugin loading code to its own file
+	* cli: Replace printf_err with BT_CLI_LOGE_APPEND_CAUSE
+	* CONTRIBUTING.adoc: add more content to the "Testing" section
+	* tests: Move tap-driver.sh out of the autotools aux directory
+	* Fix: bt2: remove circular import (not supported before Python 3.5)
+	* tests: bt2: remove test_clock_class_priority_map.py
+	* Fix: flt.lttng-utils.debug-info: possible leak of `bt_message` on error
+	* tests: src.ctf.fs: add 2packets test trace
+	* tests: bt_diff_cli: compare expected `stderr` too
+	* lib: plugin-so.c: ERROR and INFO level messages logged in callee
+	* fix: use g_setenv for portability
+	* Do not check `NULL` to call free(): free() accepts `NULL`
+	* Fix: current-thread.h: append from message iterator, not from component
+	* tests: on Windows the plugin object extension is 'dll' not 'so'
+	* Fix: cygwin does not honour LD_LIBRARY_PATH
+	* cleanup: configure.ac: replace spaces by tabs
+	* Fix warnings with bison >= 3.4 and autoconf < 2.70
+	* Make the in-tree CLI use the in-tree PPP
+	* Make the Python plugin provider a libtool module
+	* Standardize `strcmp(a, b) == 0` instead of `!strcmp(a, b)`
+	* Do not check `NULL` to call g_free(): g_free() accepts `NULL`
+	* Fix: bt2: adjust reference counting of value objects
+	* Rename PLUGINSDIR to BABELTRACE_PLUGINS_DIR and enable it
+	* tests: update test_trimming to remove the wrapper
+	* trimmer: proper formatting of timestamp conversion error
+	* tests: specify the timezone offset
+	* Fix: use return of bt_localtime_r as success criteria
+	* lib: put __BT_UPCAST() and __BT_UPCAST_CONST() in `babeltrace.h`
+	* Move `include/babeltrace2/ctf-writer` -> `include/babeltrace2-ctf-writer`
+	* Remove legacy `include/babeltrace2/{ctf-ir,ctf}` directories
+	* lib: standardize public header copyright notice
+	* lib: remove "For *" comments in public headers
+	* lib: force user to include `<babeltrace2/babeltrace.h>`
+	* lib: standardize public include guards
+	* src/{ctfser,fd-cache}/Makefile.am: remove unneeded `AM_CPPFLAGS`
+	* Fix: lib: conflicting types for `bt_plugin_set_get_plugin_count`
+	* Fix: CTF writer: make library have its own public `types.h`
+	* lib: make BT_ASSERT_{PRE,POST}() always on; add BT_ASSERT_{PRE,POST}_DEV()
+	* lib: rename `bt_*_labels_by_value` -> `bt_*_labels_for_value`
+	* Rename WARN log level to WARNING
+	* src/lib/{current-thread,error}.c: put precond. assertion at right place
+	* lib/lib-logging.c: fix GCC warning: check return value of snprintf()
+	* cli: append error cause when graph or query executor is canceled by user
+	* lib: make packets and packet messages optional, disabled by default
+	* fix: test_trimmer on macOs and Solaris
+	* tests: Use DYLD_LIBRARY_PATH on macOSX
+	* doc: Use DYLD_LIBRARY_PATH on macOSX
+	* Tests: move `test_bitfield` outside lib tests, add `check-no-bitfield` target
+	* Fix: bt_plugin_so_shared_lib_handle_destroy(): use `#ifdef`, not `#ifndef`
+	* lib/graph/message/stream.c: fix clock snapshot leak
+	* lib/trace-ir/clock-snapshot.c: assert that the parameter is not `NULL`
+	* sink.text.details: write discarded events/packets CS props when supported
+	* tests: replace xargs workaround with bash array expansion
+	* Replace libuuid with internal implementation
+	* cli: move `--params` option's format parsing to its own file
+	* lib: remove stream activity messages
+	* Fix: bt_ctfser_write_float64(): use `double` in union, not `float`
+	* tests: don't swallow stderr when running babeltrace CLI
+	* lib: move trace class's name, UUID, and environment props to trace API
+	* cli: print current thread's error causes, if any, before exiting
+	* Add bt_common_get_term_size()
+	* Add bt_common_fold()
+	* src.ctf.fs: append error cause when no traces are found in directory
+	* lib: use BT_LIB_LOG*_APPEND_CAUSE() where appropriate
+	* lib: add internal BT_LIB_LOG*_APPEND_CAUSE() macros
+	* cli: introduce BT_CLI_LOG*_APPEND_CAUSE() and use it where appropriate
+	* tests: call bt_current_thread_clear_error() when handling an error
+	* cli: clear current thread's error, if any, before exiting
+	* plugins: call bt_current_thread_clear_error() when not propagating error
+	* lib: add thread-safe error reporting API
+	* lib: keep plugin name, if any, in component class structure
+	* src.ctf.fs: remove leftover use of pointer arithmetics
+	* bt2: namespace private attributes of inheritable classes
+	* tests: bt2: use `addr` attribute instead of private `_ptr`
+	* cli: fix typo in error message
+	* Fix: src.ctf.fs: segfault following `bt_msg_iter_seek()`
+	* Fix: src.ctf.fs: trace-info: port_name memory leak
+	* bt2: remove probing of BABELTRACE_PYTHON_BT2_NO_TRACEBACK env var
+	* trimmer: use g_match_info_free instead of g_match_info_unref
+	* tests: bt2: Fix `run_python_bt2` usage example
+	* CONTRIBUTING.adoc: add how to run `bt2` tests
+	* tests: bt2: add `--test-case` argument to testrunner.py
+	* Fix: src.ctf.fs: pointer arithmetics on non-adjacent memory
+	* bt2: update `pyproject.toml` following directories changes
+	* Do not use diagnostic pragma when GCC version is lower than 4.6.0
+	* Missing define when not building with gcc
+	* Assign *_STATUS_OK to ret
+	* Fix: sink.text.pretty: support unknown event class name
+	* tests: Remove stale tests launcher
+	* tests: Add ".exe" when running on a mingw system
+	* Fix: log_level usage on mingw platform
+	* tests: add python plugin provider path to lib search path
+	* Fix: trimmer: use regexes to parse dates and times
+	* tests: Use diff -u
+	* Fix compiler -Wall warnings (mostly incompatible enumerations)
+	* trimmer: remove unused function
+	* Add back (adapted) `test_bt_values` and `test_graph_topo`
+	* Allow only TRACE, DEBUG, and INFO as the build-time, minimal log level
+	* lib: strictly type function return status enumerations
+	* tests/lib: remove `test_bt_values` and `test_graph_topo`
+	* Fix: bt_packet_context_field_create(): remove "frozen" SC precondition
+	* test_{field,value}.py: array test cases: add non-sequence equality tests
+	* test_{field,value}.py: test complex number RHS for binary operations
+	* test_value.py: make `BoolValueTestCase` inherit `_TestNumericValue`
+	* test_value.py: _inject_numeric_testing_methods(): remove `has_neg`
+	* test_{field,value}.py: add comments
+	* bt2: create_value(): check `numbers` and `collections.abc` types
+	* bt2: _ArrayField.__setitem__(): do not check type
+	* bt2: field.py: _value_to_int(): require `numbers.Integral`
+	* bt2: field.py: numeric classes: remove __i*__ operators
+	* bt2: value.py: _IntegerValue._value_to_int(): require `numbers.Integral`
+	* bt2: value.py: numeric classes: remove __i*__ operators
+	* bt2: make `BoolValue` inherit `_IntegralValue`
+	* bt2: field.py: refactor field comparison
+	* bt2: value.py: refactor value comparison
+	* bt2: make `_ArrayField` inherit `collections.abc.MutableSequence`
+	* bt2: let Python message iterators implement seek beginning
+	* lib: internal: message.h: require logging
+	* lib: internal: object-pool.h: require logging
+	* Fix: CTF writer: include CTF writer (own) version of `object-pool.h`
+	* lib: internal: clock-snapshot-set.h: require logging
+	* lib: internal: graph.h: require logging and BT_ASSERT_{PRE,POST}()
+	* lib: internal: define `BT_ASSERT_{PRE,POST}_SUPPORTED` in headers
+	* lib: internal: replace BT_ASSERT_PRE* -> BT_ASSERT_POST* where applicable
+	* lib: internal: add BT_ASSERT_POST()
+	* Add `src/py-common`, containing bt_py_common_format_exception() for now
+	* fix: don't use realpath from GNU coreutils
+	* lib: validate monotonicity of messages from upstream component
+	* Fix: bt2: fix reference counting of messages returned by Python components
+	* lib: fix compilation for glib < 2.40
+	* tests: Rework test suite
+	* port: Use sig_t instead of sighandler_t
+	* bt2: use `_extract_value()` on comparison
+	* Fix: bt2: erroneous integer comparison of Field and Value
+	* bt2: remove __le__() method already provided by @total_ordering
+	* fix: Use python-config 'ldflags' instead of 'libs'
+	* lib: add logic in auto-seek to recreate stream state
+	* Append "library" to pkg-config packages names
+	* Provide proper pkg-config .pc files
+	* iterator: save original next callback in iterator struct
+	* iterator: move auto-seek data in its own struct, add comments
+	* fix: Add missing include on macOs
+	* tests: remove carriage return when using diff
+	* libs: Do not rely on nftw for detecting the validity of plugin path
+	* Fix: return status instead of ret
+	* lib: rename `BABELTRACE_NO_DLCLOSE` -> `LIBBABELTRACE2_NO_DLCLOSE`
+	* bt2: fix formatting of C code in native_bt_component_class.i
+	* cli: add missing line in --plugin-path help
+	* lib: reverse order of bt_self_component_port_input_message_iterator::auto_seek_msgs queue
+	* bt2: rename native_bt_notifier.i to native_bt_message_iterator.i
+	* bt2: remove unused double* typemap
+	* bt2: replace copy of headers for SWIG with includes
+	* Rename `BT_LOG_LEVEL` -> `BT_MINIMAL_LOG_LEVEL`
+	* Do not require logging support for BT_[CTF_]ASSERT_PRE()
+	* lib: bt_plugin_find*(): return status code; add "fail on load error" param
+	* lib: rename parameter of bt_self_component_filter_add_{in,out}put_port
+	* lib: remove "accept port" concept
+	* Fix: `ctf` plugin: do not have an `mdec` variable where not strictly needed
+	* tests: Add missing copyright headers
+	* tests: Move data files to a common directory
+	* bt2: add missing parameter to _UserComponentType._query
+	* test utils: add failfast option to our testrunner.py
+	* fix: move static functions inside ifdef
+	* Fix: bt_config_convert_from_args(): set default log level at the end too
+	* Rename VERBOSE log level to TRACE
+	* bt2: Rename _set_default_clock_snapshot_ptr callback to _set_default_clock_snapshot
+	* Fix: Unmap before truncating
+	* fix: Add missing stdint include on Windows
+	* fix: test_trimmer on macOs and Solaris
+	* lib: remove BT_LIB_LOG*() macro usage comment
+	* Update `CONTRIBUTING.adoc`
+	* lib: add comment about why `bt_lib_log_level` is exported
+	* lib: use `LIBBABELTRACE2_INIT_LOG_LEVEL` env. var. to initialize log level
+	* src.ctf.fs: use BT_COMP_LOG*() instead of BT_LOG*()
+	* src.ctf.fs: honor component's initial log level
+	* src.ctf.lttng-live: use BT_COMP_LOG*() instead of BT_LOG*()
+	* sink.ctf.fs: use BT_COMP_LOG*() instead of BT_LOG*()
+	* sink.text.details: use BT_COMP_LOG*() instead of BT_LOG*()
+	* sink.text.details: honor component's initial log level
+	* `ctf` plugin: metadata: use BT_COMP_LOG*() instead of BT_LOG*()
+	* `ctf` plugin: `bt_msg_iter`: use BT_COMP_LOG*() instead of BT_LOG*()
+	* `ctf` plugin: `bt_bfcr`: use BT_COMP_LOG*() instead of BT_LOG*()
+	* sink.ctf.fs: honor component's initial log level
+	* src.ctf.lttng-live: honor component's initial log level and query LL
+	* lib/object.h: log conditionally to `BT_OBJECT_DONT_LOG` undefined
+	* Remove unused `src/plugins/ctf/print.h`
+	* Remove unused `src/plugins/ctf/common/utils`
+	* `ctf` plugin: metadata: use local log level
+	* `ctf` plugin: `bt_msg_iter`: use object's log level
+	* `ctf` plugin: `bt_bfcr`: use object's log level
+	* utils.sink.counter: use BT_COMP_LOG*() instead of BT_LOG*()
+	* flt.lttng-utils.debug-info: use BT_COMP_LOG*() instead of BT_LOG*()
+	* flt.lttng-utils.debug-info: honor component's initial log level
+	* lib: rename `lib-logging.h` to `logging.h`
+	* Logging: define `BT_LOG*_SUPPORTED` when logging is supported
+	* flt.utils.muxer: use BT_COMP_LOG*() instead of BT_LOG*()
+	* flt.utils.trimmer: use BT_COMP_LOG*() instead of BT_LOG*()
+	* src.text.dmesg: use BT_COMP_LOG*() instead of BT_LOG*()
+	* Logging: add `src/plugins/comp-logging.h` (BT_COMP_LOG*())
+	* flt.utils.trimmer: honor component's initial log level
+	* flt.utils.muxer: honor component's initial log level
+	* Move bt_{self_component,message_iterator}_status_string() to `common.h`
+	* sink.utils.counter: honor component's initial log level
+	* src.text.dmesg: honor component's initial log level
+	* tests: bt2: add query log level tests
+	* lib: pass log level to bt_query_executor_query()
+	* Logging: pass dynamic log level to common functions and subsystems
+	* src/logging/log.h: add BT_LOG_WRITE_CUR_LVL(), BT_LOG_WRITE_ERRNO_CUR_LVL()
+	* cli: add component-specific `--log-level` option (run/convert commands)
+	* sink.text.pretty: remove logging (not used)
+	* test_graph.py: add bt2.Graph.add_component() logging level parameter tests
+	* test_component.py: add `logging_level` property tests
+	* lib: set component's initial log level when adding it to the graph
+	* Add internal bt_common_logging_level_string()
+	* cli: use log level integer instead of letter in configuration
+	* src/logging/log.h: add utility functions for log level to/from string
+	* Logging: standardize logging tags
+	* configure.ac: change default minimal log level from VERBOSE to DEBUG
+	* sink.text.pretty: remove message iterator inactivity message logging
+	* lib: plugin.h: force header user to include "lib/logging.h"
+	* Logging: check `BT_DEBUG_MODE` instead of `NDEBUG`
+	* lib: `component-class-sink-colander.c`: remove useless `void *` cast
+	* Rename: <some/internal-header.h> -> "some/internal-header.h"
+	* Standardize log levels used by logging statements across the project
+	* bt2: message_iterator.py: packet beginning/end messages have a single CS
+	* bt2: stream activity messages: create with unknown/infinite default CS
+	* Put `flt.lttng-utils.debug-info` tests into their own directory
+	* Remove unused `tests/plugins/test_utils_muxer_complete.in`
+	* Add facilities to test CLI and plugin regressions with expectation files
+	* Add `sink.text.details`, a testing textual sink which prints details
+	* Add bt_common_sep_digits()
+	* fix: Add missing glib include on MINGW
+	* tests: Move ctf-writer to it's own directory
+	* tests: Move libtestcommon to utils
+	* Cleanup: remove plugin-common.h
+	* Cleanup: remove private babeltrace.h
+	* fix: Static build fails with ctfser missing symbols
+	* Re-organize sources
+	* tap-driver.sh: flush stdout after each test result
+	* Fix: src.ctf.fs: increment packet offset before init of index entry
+	* ctf-writer: externalize libbabeltrace2-ctf-writer
+	* Cleanup: Move build logic to python-plugin-provider Makefile
+	* Cleanup: remove useless Makefiles from extras
+	* Fix: use `babeltrace2` instead of `babeltrace` in plugin paths
+	* Fix: doc/bindings/python/Makefile.am: run the `sphinx` Python 3 package
+	* bt2: add `_Trace.cls` property
+	* bt2: rename object's own BT class property to `cls`
+	* bt2: prepend `_` prefix to names of classes that the user cannot create
+	* Remove everything related to the `bt2.ctf_writer` Python module
+	* Remove everything related to the `babeltrace` Python package
+	* tests: clean up test_trimmer
+	* lib: make precondition failure messages more clear on message creation
+	* src.ctf.fs: trace-info: omit stream `range-ns` field when no TS
+	* doc: Rename to babeltrace2
+	* lib: rename include dir to babeltrace2
+	* lib: Reset libbabeltrace2 to SONANE 0
+	* lib: Rename to libbabeltrace2
+	* cli: Rename to babeltrace2
+	* Fix: lib: expose bt_lib_log_level symbol
+	* Add missing test_output_ctf_metadata to gitignore
+	* Cleanup: use detected asciidoc to build CONTRIBUTING.html
+	* Fix: src.ctf.fs: trace-info: fields no appended if range not set
+	* src.ctf.fs: merge all indexes to the fs_ds_group level
+	* src.ctf.fs: bubble up `ctf_fs_ds_file_group_create()` error
+	* sink.ctf.fs: add more comments in code where it's not straightforward
+	* Rename "default beginning/end CS" -> "beginning/end default CS"
+	* src.ctf.fs: support no packet beg/end CS and no discarded events/packets
+	* Fix: sink.text.pretty: print_discarded_elements_msg(): add missing space
+	* sink.ctf.fs: support packets, DE, and DP w/o beginning/end clock snapshots
+	* lib: make discarded events/packets support and clock snapshots optional
+	* lib: create_packet_message(): make assertion message less convoluted
+	* lib: create_packet_message(): use pool to determine beginning or end msg
+	* tests: build system spring cleanup
+	* tests: replace BT_ASSERT with exit in test_bin_info
+	* tests: Add expected failure test to test_dwarf
+	* tests: Add powerpc64le-linux-gnu debug-info artifacts
+	* tests: Add powerpc-linux-gnu debug-info artifacts
+	* tests: Add i386-linux-gnu debug-info artifacts
+	* tests: Parametrize test_bin_info to handle multiarch artifacts
+	* tests: Build new x86_64-linux-gnu debug-info artifacts
+	* tests: Add Makefile to build debug-info test artifacts
+	* Cleanup: test_bitfield: nr_bits should be unsigned
+	* Fix: lib: set iterator state even in non-dev mode
+	* bt2: change some bt2.CreationError usages to ValueError
+	* bt2: remove unused exception types
+	* src.ctf.fs: add stream port name to trace-info query, use it for stream intersection
+	* Fix: sink.text.pretty: comma in enum fields
+	* cli: Fix exit code of ctf-metadata output
+	* bt2: Adapt test_trace_collection_message_iterator.py and make it pass
+	* bt2: let components attach "user data" to ports
+	* bt2: Adapt test_message_iterator.py and make it pass
+	* bt2: Adapt test_message.py and make it pass
+	* bt2: Adapt test_field.py and make it pass
+	* bt2: Adapt test_field_class.py and make it pass
+	* bt2: Adapt test_graph.py and make it pass
+	* lib: Make graph listeners return an error status
+	* lib: remove unused _NO_SINK graph status
+	* bt2: Adapt test_packet.py and make it pass
+	* bt2: Adapt test_clock_class.py and make it pass
+	* bt2: Adapt test_event.py and make it pass
+	* Fix: lib: usage of output port message iterator
+	* bt2: Adapt test_event_class.py and make it pass
+	* bt2: Adapt test_stream.py and make it pass
+	* bt2: Adapt test_stream_class.py and make it pass
+	* bt2: Adapt test_trace.py and make it pass
+	* bt2: Add bindings for trace classes
+	* Fix: lib: prevent infinite recursion when destroying trace classes and traces
+	* bt2: Adapt test_connection.py and make it pass
+	* bt2: Adapt test_port.py and make it pass
+	* Add configuration for python code formatter black
+	* lib: make packet beginning/end default CS optional
+	* Fix: flt.lttng-utils.debug-info: memory leak bt_dwarf_die struct
+	* lib: remove "unknown clock snapshot" concept
+	* bt2: always use staticmethod() with native function class attributes
+	* bindings/python/bt2/setup.py.in: put native module in `bt2` package
+	* flt.lttng-utils.debug-info: Replace hardcoded '/' in paths
+	* Fix: test_bitfield: extend coverage by removing off-by-one in bound check
+	* Fix: test_bitfield: extend coverage: 0-len signed write/read
+	* Fix: flt.lttng-utils.debug-info: build id comparison
+	* Fix: src.ctf.lttng-live: possible memory leak on error path
+	* Fix: lib-logging: possible buffer not null terminated
+	* Update renamed file in gitignore
+	* Fix: flt.lttng-utils.debug-info: cannot find addr past the first CU
+	* Fix: flt.lttng-utils.debug-info: note name memcmp() overflow
+	* Cleanup: src.ctf.lttng-live: rename _is_canceled function
+	* Fix: flt.utils.trimmer: no error when upstream can not seek
+	* Add .gitignore entry for .theia
+	* Fix: logging: possible buffer overflows
+	* Add vim .swp files to gitignore
+	* Replace g_build_path with g_build_filename for portability
+	* Fix: test_bitfield: buffer overrun accesses
+	* Cleanup: tests: use underscores in filename
+	* Cleanup: flt.utils.muxer: avoid returning a pointer needlessly
+	* Fix: flt.utils.muxer: Potential memory leak
+	* Cleanup: bitfields: streamline use of underscores
+	* Silence compiler "always false comparison" warning
+	* Extend test_bitfield coverage
+	* Fix: bitfield: shift undefined/implementation defined behaviors
+	* Fix: flt.utils.trimmer: bt_message_put_ref() on freed message
+	* Fix: flt.utils.muxer: Undefined or garbage value returned
+	* fix: Add PROT_READ to ctfser mmap flags
+	* Fix: src.ctf.fs: possible use-after-free in the error path
+	* Fix type-limits warnings, uint can't be < 0
+	* Fix old-style-declaration warnings
+	* Annotate implicit fall-through
+	* Cleanup: src.ctf.fs: index no longer used in loop
+	* Fix: sink.ctf.fs: Dereference before null check
+	* Fix: sink.ctf.fs: possible uses after free because of unchecked return values
+	* Cleanup: common/assert.c: remove useless calls
+	* Cleanup: src.ctf.fs: erroneous comment
+	* Add -Werror=implicit-function-declaration to AM_CFLAGS
+	* Add missing gitignore for test_ctf_plugin
+	* Harmonize pprint macro across projects
+	* Update macros from the autoconf archive
+	* flt.lttng-utils.debug-info: fd-cache: log to `debug` severity on stat() error
+	* Fix: src.ctf.fs: Using uninitialized value
+	* Fix: sink.ctf.fs: writing 64bit real number as 32bit
+	* Fix: flt.lttng-utils.debug-info: `ip` field is 32bit on 32bit cpus
+	* tests: Run test_bitfield
+	* Fix: duplicate symbol with clang linker
+	* Fix: fd-cache: fd leak on error path
+	* Fix: lib/graph: Dereference before null checks
+	* Fix: cli: value stored is never read
+	* Fix: flt.lttng-utils.debug-info: omitting copy_field_class_content() return value
+	* Fix: flt.lttng-utils.debug-info: memory leak
+	* Fix: sink.text.pretty: Unsigned compared against 0
+	* Fix: src.ctf.fs: init_index_entry() may return uninitialized value
+	* cli/babeltrace.c: update known log level environment variable names
+	* lib: add unsigned and signed integer value API
+	* lib: value.c: remove BT_VALUE_FROM_CONCRETE() macro
+	* lib: move `bt_value` structures to `value-internal.h`
+	* bt2: Make test_query_executor pass
+	* bt2: Fix Makefile dependency tracking when building out of tree
+	* fix: g_hash_table_insert prior to glib 2.40 returns void
+	* tests/plugins/ctf/Makefile.am: do not set `TESTS` in this file
+
+2019-05-03 babeltrace 2.0.0-pre5 (No Pants Day)
+	* Fix: flt.lttng-utils.debug-info: build id note section non-native byte order
+	* common: add bt_common_read() function
+	* Fix: common: va_list type is implementation dependant
+	* Fix: uninitialized variant fc in set_field_refs()
+	* src.ctf.fs: make trace-info query accept clock-class-offset-{s,ns} parameters
+	* ctf: Use g_time_val_from_iso8601 instead of g_date_time_new_from_iso8601
+	* tests: update EXTRA_DIST of Python bindings
+	* tests: remove non-existent files from EXTRA_DIST
+	* include: add missing files to dist tarball
+	* bt2: Add wrapper for bt_plugin_get_version
+	* Add git-review config
+	* Fix: bt2: enum-conversion warning in native_bt_component_class.i
+	* Fix: bt2: int-to-pointer-cast warnings in SWIG utils functions
+	* sink.ctf.fs: set_field_refs(): make `fc` `const` as `fc_type` depends on it
+	* Fix: sink.ctf.fs: do not keep different `tgt_fc_type` as `tgt_fc` changes
+	* lib: bt_graph_{consume,run}(): add unlikely() to unlikely condition
+	* src.ctf.fs: compute stream range using entire file info group
+	* bt2: update bindings to make test_plugins pass
+	* bt2: update bindings to make test_component pass
+	* bt2: update bindings to make test_component_class pass
+	* lib: Add functions to borrow specialized component classes from specialized components
+	* bt2: update value.py, make test_value pass
+	* bt2: update object model
+	* Fix: string format warnings on 32 bits
+	* Fix: unused-function warnings in lib/graph/iterator.c
+	* Fix: may-uninitialized warning in trace-ir-metadata-field-class-copy.c
+	* Fix: maybe-uninitialized warnings in translate-trace-ir-to-ctf-ir.c
+	* Fix: maybe-uninitialized warning in create_relative_field_ref()
+	* Fix: unused-variable warnings in lib/graph/iterator.c
+	* Fix: maybe-uninitialized warning in bt_ctf_stream_flush()
+	* Fix: unused-variable warnings in bt_X_freeze() when not in DEV_MODE
+	* Fix: src.ctf.fs: metadata-info: sanitize `path` param
+	* Fix: flt.lttng-utils.debug-info: extra colon in `bin` member
+	* debug info: Skip test that depends on Python bindings
+	* babeltrace: Remove leftovers
+	* doc: Make python bindings doc build
+	* python-plugin-provider: Make it build
+	* Remove clock_class_priority_map.py
+	* Fix: headers: make static inline upcasts compatible with C++
+	* Fix: headers: add missing end of `extern "C"` curly brackets (for C++)
+	* Fix: include/Makefile.am: add missing `babeltrace/ctf-writer/object.h`
+	* bt2: Rename files to use singular form
+	* bt2: Mass clock_value -> clock_snapshot rename
+	* bt2: Mass field_types -> field_class rename
+	* bt2: Mass notification -> message rename
+	* bt2: Sync native_bt_field_class.i with field-class-const.h
+	* lib: have dedicated, unique unsigned and signed enum FC mapping objects
+	* tests/bindings/python: Mark all tests as skipped
+	* bindings/python/bt2: Make the bt2 package importable
+	* lib: Fix function name to match declaration
+	* Add env wrapper to facilitate importing the in-tree python bindings
+	* bindings/python/bt2: Make the bt2 Python bindings build
+	* lib: Make bt_value_null a const pointer
+	* ctf: Add dash to stream name suffixes
+	* ctf: Use environment fields provided by LTTng to make output trace path
+	* cli: put space after comma between array elements
+	* Fix: test_convert_args: fix malformed test line
+	* test_convert_args: test multiple leftover arguments
+	* Fix: test_convert_args: fix expected arguments
+	* cli: mimic behavior of BT1 when trying to attach to live session
+	* plugins/ctf/fs-src: Session rotation support: merge traces with same uuid
+	* cli, plugins/ctf/fs-src: Make src.ctf.fs accept multiple root paths
+	* cli: Make append_parameter_to_args accept a bt_value value
+	* cli: Remove support for --key and --value arguments
+	* cli: Support arrays in parameters
+	* cli: Adjust integer range check, replace magic numbers with constants
+	* cli: Refactor command line value parsing code
+	* cli: Refactor handling of negative numbers
+	* Fix: tests/Makefile.am: do not run missing `flt.utils.muxer`
+	* Adapt `src.ctf.lttng-live` to current API
+	* sink.text.pretty: print inactivity msg handling with BT_LOGD_STR
+	* graph: Fix: bt_graph_configure() does not propagate errors
+	* Fix: flt.lttng-utils.debug-info: leaking `bin_dir` char array
+	* Fix: flt.lttng-utils.debug-info: ".debug" extension not appended
+	* lib: field path: have a specific item for "current array element"
+	* Fix: bfcr_get_sequence_length_cb(): do not set text array's length
+	* Fix: `tests/Makefile.am`: do not run missing tests
+	* Fix: `tests/ctf-traces/succeed` traces: change CTF version from 0.1 to to 1.8
+	* Fix: `test_packet_seq_num.in`: change expected disc. packets messages order
+	* Fix: flt.utils.trimmer: accept inited streams ending without other messages
+	* Fix: cli: `flt.utils.trimmer` now expect the `gmt` parameter
+	* Remove `test_bt_message_iterator`
+	* Fix: cli: Acquire reference on bt_value_null while parsing args
+	* flt.lttng-utils.debug-info: cleanup: create dedicated msg_iter destroy function
+	* tests: remove unused automake variable
+	* Fix: lib: Mismatch in function declarations and definitions
+	* flt.lttng-utils.debug-info: Don't copy trace class UUID to output trace class
+	* flt.lttng-utils.debug-info: Implement file descriptor cache
+	* Cleanup: Move `debug-info` in its own sub-directory
+	* Fix: flt.lttng-utils.debug-info: Error in src line reporting
+	* flt.lttng-utils.debug-info: cleanup: remove usage old struct name
+	* flt.lttng-utils.debug-info: cleanup: only print debug message on error
+	* flt.lttng-utils.debug-info: use glib memory and string functions
+	* sink.ctf.fs: Remove unused function
+	* plugins/ctf: Remove unused uuid-related fields in struct ctf_fs_metadata
+	* .editorconfig: add `charset = utf-8`
+	* Add .editorconfig file
+	* Remove babeltrace 1 Python bindings and tests
+	* Remove stale trace-ir test files
+	* BT_ASSERT(): update rendering
+	* Re-implement BT_ASSERT without using the assert macro
+	* Adjust bt_component_borrow_class to match declaration
+	* Small fixes to include/
+	* ctf-writer: Split clock and clock-class declarations and definitions
+	* Adapt `sink.ctf.fs` to current API
+	* ctfser: have dedicated signed/unsigned integer writing functions
+	* src.ctf.fs: keep empty structures
+	* lib: add structure FC member and variant FC option objects
+	* Fix: pretty/print.c: print comma and space after trace name
+	* Fix: update_field_class_in_ir(): do not have special int fields in trace IR
+	* Fix: msg-iter.c: accept no packet total and content sizes
+	* Fix: handle_conversion_specifier_std(): use `sizeof(PRI*64) - 1`
+	* lib-logging-internal.h: fix minor documentation mistakes
+	* Fix: decoder.c: remove forgotten TODO section
+	* `ctf` plugin: infer packet's total size from packet's content size
+	* Fix: msg-iter.c: create packet message with correct function
+	* Fix: src.ctf.fs: do not use trace IR objects in queries
+	* flt.utils.muxer: validate clock classes on stream beginning messages
+	* Fix: add_component_with_init_method_data(): freeze parameters
+	* plugins/ctf/common: remove unused borrow_named_int_field_class() function
+	* flt.utils.trimmer: fix: variables used uninitialized
+	* lib: remove unused port_connection_iterators_are_finalized() function
+	* lib: remove unused precondition utility function
+	* flt.lttng-utils.debug-info: fix: set but not used warnings
+	* lib: mark graph as faulty when adding a comp. or connecting ports fails
+	* bt_port_output_message_iterator_create(): check that graph has no sinks
+	* lib: remove bt_connection_is_ended()
+	* lib: metadata: add missing non-const borrowing accessors
+	* flt.lttng-utils.debug-info: adapt debug-info component to API changes
+	* lib: replace trace is_static with destruction listeners
+	* Fix: flt.utils.muxer: use return value (clock class)
+	* Fix: flt.utils.muxer: reset is_ended variable after each iteration
+	* sink.utils.counter: use a default step of 10,000
+	* sink.utils.counter: handle all types of messages
+	* Cleanup: erroneous assert and log messages in stream.c
+	* flt.lttng-utils.debug-info: Fix: dirname(3) might modify input string
+	* Fix: use of wrong enumeration_mapping_ranges type
+	* Fix: add missing `_const` in name of const functions
+	* Fix: BT_ASSERT() on variable not yet initialized
+	* common: prepend `bt_common_` to bt_message_iterator_status_to_self()
+	* Add function converting bt_message_iterator_status to bt_self_*
+	* Add a common, internal CTF serialization library; make CTF writer use it
+	* common-internal.h: prefix functions with `bt_common_`
+	* Adapt `flt.utils.trimmer` to current API
+	* Fix: sink.text.pretty: do not always update last timestamp
+	* flt.utils.muxer: do not release upstream iterators when they're ended
+	* Fix: lib: stop auto-seeking when getting the first satisfying message
+	* Fix: lib: auto_seek_handle_message(): set `msg` to `NULL` when skipping
+	* Fix: print.c: remove extra `)` after `+????????????`
+	* Fix: cli: `list-plugins`: print bold code before "component classes"
+	* Fix: cli: cmd_list_plugins(): pass appropriate by-index functions
+	* Fix: lib: `_const_const` -> `_const`
+	* sink.text.pretty: "discarded a number of X" -> "might have discarded X"
+	* lib: iterator auto-seeking: handle intersecting discarded items messages
+	* lib: create a clock class object from component
+	* lib: rename inactivity msg to msg iterator inactivity msg
+	* lib: Pass raw snapshot value to bt_message_inactivity_create()
+	* lib: add sink component class's "graph is configured" method
+	* Fix: lib-logging.c: use temporary prefix where needed
+	* lib: rename clock class's absolute property to "origin is Unix epoch"
+	* Fix: flt.utils.muxer: make sure message's default clock class exists
+	* sink.text.pretty: use fast clock class access
+	* lib: message API: add fast default clock class accessors
+	* flt.utils.muxer: implement "seek beginning" and "can seek beginning" methods
+	* src.text.dmesg: implement "seek beginning" and "can seek beginning" methods
+	* src.ctf.fs: implement "seek beginning" method
+	* src.text.dmesg: make clock class non-absolute
+	* iterator.c: auto-seeking: use packet messages's clock snapshots
+	* flt.utils.muxer: handle all message types specifically
+	* Update `include/babeltrace/babeltrace.h`
+	* include/Makefile.am: add missing files
+	* lib-logging.c: log event, packet beginnin/end message clock snapshot
+	* Fix some include directives (add missing, remove superfluous)
+	* lib: have default clock snapshot in event message
+	* assert-pre-internal.h: append "error is" to first message
+	* discarded-items.c: add clock class's existence precondition assertion
+	* lib: add default clock snapshot property to packet beginning/end message
+	* Fix: src.text.dmesg: put leaking trace class on component destruction
+	* src.text.dmesg: emit stream activity beginning/end messages
+	* lib: remove redundant `bt_packet` properties
+	* sink.text.pretty: print warning message on discarded events/packets message
+	* src.ctf.fs: emit discarded events/packets messages
+	* src.ctf.fs: emit stream activity beginning/end messages
+	* lib: iterator.c: auto-seek: handle new message types
+	* Make parent parameters const for some object creation functions
+	* lib: add discarded packets message
+	* lib: add discarded events message
+	* lib: set clock snapshot member to `NULL` after bt_clock_snapshot_recycle()
+	* lib: add stream activity beginning/end messages
+	* lib: remove CV snapshot property from stream beginning/end message
+	* lib: add seeking (beginning, ns from origin), with auto-seeking support
+	* lib: fully configure graph (add components, connect ports), then run
+	* Fix: ctf plugin: returning bt_message_iterator_status from src.ctf.fs
+	* Cleanup: use ctf_scope_string function to print `enum ctf_scope` vars
+	* Cleanup: explicitly assigning value of variable to itself
+	* Fix: may be used uninitialized trace_name variable
+	* Fix: setting the wrong status variable on query canceled
+	* Cleanup: add bt_ctf_value_type stringifying function
+	* Cleanup: remove bt_clock_snapshot_set_value_inline function
+	* Cleanup: bt_clock_snapshot_set_raw_value is now a static inline
+	* flt.utils.muxer: fix muxer_init prototypes
+	* Add bt_self_message_iterator_status_string() function
+	* lib: do not allow port to be removed when message iterators are active
+	* plugins/ctf/fs-src/fs.c: "msgier" -> "notifier"
+	* lib: "msgied" -> "notified" (remaining of a previous mass rename)
+	* CLI: use -x as short option for --connection instead of -C
+	* Fix: graph API: add listeners to support filter-to-filter connection
+	* lib: remove CTF concepts of packet and event headers
+	* bt_field_class_*_create(): accept mandatory trace class
+	* bt_clock_class_create(): accept mandatory trace class
+	* bt_trace_class_create(): accept mandatory self component
+	* Component class API: use status
+	* lib: add aliases for Babeltrace enumeration types
+	* Plugin development API: use self enumeration and plugin types
+	* lib: remove unused public `enum bt_plugin_status`
+	* Trace API: use status
+	* Stream API: use status
+	* Trace class API: use status
+	* Stream class API: use status
+	* Packet API: use status
+	* Field API: use status
+	* Field class API: use status
+	* Event API: use status
+	* Event class API: use status
+	* Clock snapshot API: use status
+	* Clock class API: use status
+	* Remove unused lib/graph/message/discarded-{events,packets}.c
+	* lib: rename "clock value" -> "clock snapshot"
+	* lib: rename "notification" -> "message"
+	* lib: rename bt_plugin_create_all_*() -> bt_plugin_find_all_*()
+	* lib: add aliases for Babeltrace structure types
+	* lib: make public reference count functions have strict types
+	* lib: update copyrights
+	* lib: rename plural file names to singular
+	* lib: rename "begin" to "beginning" when used as a noun
+	* bt_value_copy(): put output parameter as last parameter
+	* bt_value_map_extend(): put output parameter as last parameter
+	* Fix typo: "field classe" -> "field class"
+	* lib: split trace API into trace class and trace APIs
+	* lib: make graph API const-correct
+	* lib: make plugin API const-correct
+	* Fix: notif-iter.c: handle single/implicit SC/EC correctly
+	* Fix: ctf-meta-update-meanings.c: only update if root struct FC exists
+	* lib: make trace IR API const-correct
+	* lib: make values API const-correct
+	* lib: bt_object_{get,put}_ref(): accept a `const` parameter
+	* CTF writer: use own `bt_ctf_object` and `bt_ctf_value` internal APIs
+	* lib: move plugin set API declarations to `babeltrace/plugin/plugin-set.h`
+	* lib: have separate `BT_QUERY_EXECUTOR_STATUS` and `BT_QUERY_STATUS`
+	* lib: remove BT_NOTIFICATION_TYPE_{UNKNOWN,NR}
+	* bt_port_output_notification_iterator_create(): remove colander comp. name
+	* lib: rename transforming bt_X_borrow_Y() -> bt_X_as_Y()
+	* lib: plugin: reset pointers to `NULL` on destruction
+	* lib: trace IR, values: reset pointers to `NULL` on destruction
+	* lib: return `void` when setting a simple value with no side effects
+	* lib: graph: add "self" and some "private" APIs
+	* lib: private functions: do not repeat `private` word
+	* Graph API: split into private and public APIs
+	* Trace IR and notification APIs: split into private and public APIs
+	* bt_value_map_extend(): make base/extension objects `const`
+	* Values API: standardize parameters and return values
+	* Values API: split into private and public APIs
+	* Rename: bt_put(), bt_get() -> bt_object_put_ref(), bt_object_get_ref()
+	* Values API: standardize function names
+	* Rename: "float value" -> "real value"
+	* Remove unneeded `BT_VALUE_TYPE_UNKNOWN`
+	* Rename: "field class ID" -> "field class type"
+	* Rename: field type -> field class
+	* CTF IR -> Trace IR
+	* Make API CTF-agnostic
+	* assert-pre-internal.h: add BT_ASSERT_PRE_VALID_INDEX()
+	* Fix: bt_g_hash_table_contains(): handle `NULL`/0 values
+	* assert-pre-internal.h: move include at correct line
+	* lib: merge common CTF IR part with the remaining implementation
+	* lib: fully detach CTF IR and CTF writer implementations
+	* sink.text.pretty: print discarded events/packets warning
+	* lib: bt_packet_create(): accept previous packet to set properties
+	* _bt_packet_set_is_frozen(): fix logging statements
+	* Fix: lib: do not check the frozen state in bt_X_set_is_frozen()
+	* lib: make bt_field_is_*() and bt_field_type_is_*() static inline
+	* lib: use priv connection priv notif iterator to create notif, not graph
+	* lib: remove clock class priority map, use default clock value
+	* lib: make the "port connected" method return a status
+	* lib: notification iterator: transfer a batch of notifications
+	* lib: remove internal stream destroy listener API
+	* lib: graph: remove useless checks, make functions inline on fast path
+	* lib: remove useless checks, make functions inline on fast path
+	* lib: update and simplify the `bt_object` API
+	* test_ctf_writer.c: put statements outside BT_ASSERT()
+	* Fix: freeze field type unconditionally
+	* Use "growing" `GArray` to store string field's payload
+	* lib: simplify the public notification iterator interfaces
+	* Fix: bt_graph_consume(): return status
+	* Fix: CTF writer: use appropriate enumerators
+	* Fix: bt_field*_reset_recursive() returns nothing
+	* tests: use BT_ASSERT() instead of assert()
+	* Fix: bt_event_common_initialize(): use appropriate callback types
+	* BT_ASSERT_PRE(): when disabled, use the expression anyway
+	* Fix: set BT object's shared flag in all modes
+	* ctf: notif-iter: avoid reallocation in stack
+	* ctf: btr: avoid reallocation in stack
+	* lib: use object pool for event and packet notifications
+	* lib: add internal object pool API and use it; adapt plugins/tests
+	* ctf plugin: notif iter: use "borrow" functions for metadata where possible
+	* ctf plugin: BTR: use "borrow" functions where possible
+	* src.ctf.fs: use "borrow" functions where possible
+	* sink.utils.counter: use "borrow" functions where possible
+	* sink.text.pretty: use "borrow" functions where possible
+	* cli: add short option `-l` for `--log-level`
+	* Fix: bt_stream_common_finalize(): check `stream->destroy_listeners`
+	* flt.utils.muxer: use "borrow" functions where possible
+	* lib: add "borrow" functions where "get" functions exist
+	* include/babeltrace/graph: fix some include guards
+	* bt2: by-pass distutils changed file check
+	* Silence unused variable warnings caused by BT_ASSERT() in non-debug mode
+	* bt2: typo staitc -> static
+	* Cleanup: remove GCC precompiled header leftover
+	* Split CTF IR and CTF writer APIs and implementations
+	* lib: metadata: transform fast path precond. checks to BT_ASSERT_PRE()
+	* Notification iterator: transform precondition checks to BT_ASSERT_PRE()
+	* Replace assert() -> BT_ASSERT() and some preconditions with BT_ASSERT_PRE()
+	* Add internal BT_ASSERT() and BT_ASSERT_PRE() helpers
+	* lib: add BT_LIB_LOG*() macros to log/serialize library objects
+	* Common: add internal bt_common_custom_vsnprintf()
+	* Logging: use a TLS buffer and increase its size
+	* bt2: InactivityNotification, _Event: use mapping protocol for clock values
+	* bt2: EnumerationFieldType: rename append_mapping() -> add_mapping()
+	* Fix: call bt_stream_class_map_clock_class() in bt_event_create()
+	* Add tests: CTF writer: `timestamp_begin`/`timestamp_end` autopopulation
+	* Fix: bt_stream_class_map_clock_class(): copy field type when mapping
+	* lib: add internal bt_field_type_structure_replace_field()
+	* lib: logging: change warnings from BT_LOGE to BT_LOGW
+	* Fix: CTF writer: validate and set `timestamp_begin`/`timestamp_end`
+	* lib: add internal bt_field_sequence_get_int_length()
+	* Add stream class's single clock class tests
+	* lib: allow a single mapped clock class within a stream class
+	* Fix: libctfcopytrace: replace clock classes in copies
+	* bt_field_type_compare(): deep-compare mapped clock classes
+	* Add test: no clock class in trace's packet header field type
+	* lib: do not allow any mapped clock class in trace's packet header FT
+	* tests/plugins/test_lttng_utils_debug_info.in: use specific pattern
+	* tests/utils/python/testrunner.py: add optional pattern argument
+	* Fix: invalid alignment of enumeration fields
+	* Add git version string
+	* Fix live-comm: merge TCP socket write-write sequence in a single write
+	* Fix: wrong type specifier used with long argument
+	* Fix: POPT_ARG_LONGLONG does not exist in popt 1.13
+	* Fix: Use bash for all test scripts
+	* Add missing clock.h compatiblity header under ctf-ir
+	* babeltrace-filter.lttng-utils.debug-info(7): fix LTTng prerequisites
+	* bt2 tests: add unit tests for __str__ implementation of Fields
+	* Implement __repr__ instead of __str__ for python Value
+	* Return 'Unset' on unset field __repr__()
+	* Implement __repr__ for _StringField
+	* Implement __repr__ instead of __str__ for _NumericField
+	* Implement __repr__ for _ArraySequenceField
+	* Implement __repr__ for _VariantField
+	* Implement __repr__ for _StructureField
+	* Implement __repr__ for _EnumerationField
+	* Fix: typo using bt2.ClockClassOffset constructor
+	* Add bindings/python/babeltrace/test_ctf_writer.py test
+	* Fix: stream.c: autopopulate timestamp fields even when not mapped to CC
+	* Fix: writer.py: make `uint64_ft` a 64-bit (instead of 32-bit) int FT
+	* Fix: Replace bt_timegm with a thread-safe implementation
+	* Typo: informations -> information
+	* Typo: paramater -> parameter
+	* Typo: priorty -> priority
+	* Fix: uninitialized variable may be used warning
+	* cli: support --output opt. for -o ctf-metadata and -i lttng-live
+	* Fix: doc/man/Makefile.am: use appropriate variable for sources
+	* Add basic flt.lttng-utils.debug-info tests
+	* bt2: TraceCollectionNotificationIterator: support custom filter CCs
+	* Fix: debug-info: remove `_` prefix when finding fields by name
+	* Remove doc/API.txt (Babeltrace 1.x API documentation)
+	* Add modern Babeltrace man pages
+	* Remove `PLUGIN` from component class log level environment variables
+	* sink.text.dmesg: remove `read-from-stdin` parameter, use absent `path`
+	* Lazy load the python plugin provider
+	* Port: no sighandlers on Windows
+	* Port: normalize path in test_plugin_bt2
+	* Port: fix library load in python tests on Windows
+	* Fix: use configured python in test_python_plugin_provider
+	* Port: open files in binary mode on Windows
+	* Fix: ctf: notif-iter: do not call request_medium_bytes() when not needed
+	* flt.lttng-utils.debug-info: `dir`/`debug-dir` param -> `debug-info-dir`
+	* cli: do not automatically create an implicit filter.lttng-utils.debug-info comp.
+	* ctf, ir: escape and unescape enumeration FT labels starting with `_`
+	* cli: --stream-intersection is not an implicit src.ctf.fs component's option
+	* cli: do not use --component in help command, only use leftover argument
+	* Add compat layer's log level env. var. to CLI's list of known env. vars
+	* cli: put the project's version on the first line with no args.
+	* Fix: legacy python bindings Makefile
+	* bt2, babeltrace: apply PEP 8 except for E501 and E722
+	* Fix: babeltrace: writer.py: do not use += on bt2.trace._TraceEnv
+	* bindings/python/babeltrace/Makefile.am: do not clean __init__.py
+	* Rename bt_ctf_X -> bt_X, maintain backward compat. for pre-2.0 CTF writer
+	* Fix: variable declaration shadows previously declared variable
+	* Fix: use tabs rather than spaces in makefile
+	* Port: do not depend on GNU readlink
+
+2017-09-18 babeltrace 2.0.0-pre4 (Cheeseburger Day)
+	* Fix: use the configured swig executable
+	* Tests python: reference ctf traces are not copied to the build dir
+	* Fix: tests/Makefile.am: add missing LOG_DRIVER
+	* Tests: moved files pointed-to in Makefile
+	* Python babeltrace docs: Add missing sphinx dist file
+	* Doc: babeltrace: update the Read the Docs Sphinx theme
+	* Doc: babeltrace: mention _legacy_ Python bindings
+	* Fix: doc/bindings/python: make the doc buildable
+	* Fix: bt2: do not assign an exception to a local variable
+	* Python bt2 fix: missing import in CtfWriter
+	* Python babeltrace fix: handle bt2.Error exception on stream flush
+	* Python babeltrace fix: allow None for event header and packet context setters
+	* Python babeltrace fix: missing return statement in field accessor
+	* Set version to 2.0-pre4
+	* Python babeltrace fix: initialize stream class with default values
+	* Python babeltrace: use long form attribute names
+	* Tests babeltrace: adapt python tests to use unittest
+	* Fix: ctf-writertype serialization must 'escape' '_'-prefixed field names
+	* Cleanup: use tabs for code indentation
+	* Fix: NULL dereference on sampling and restoration of graph's 'can_consume'
+	* Tests: confusion between python bindings and plugins tests
+	* Update .gitignore: ignore generated API doc files
+	* Update .gitignore: ignore generated __init__.py file
+	* cli: do not use --component in query command, use leftover argument
+	* tests/lib/test_ctf_writer.c: test structure field name is a keyword
+	* tests/lib/test_ctf_writer.c: open trace with `-o dummy` to make it faster
+	* tests/lib/test_ctf_writer.c: update number of tests
+	* Add bindings/python/babeltrace/.gitignore
+	* Fix: remove underscores from CTF IR field names at the source
+	* bt2: trace collection notif. iter.: try to check the query result
+	* ctf: do not add `intersection-range-ns` in `trace-info` query with no intersect.
+	* Fix: ctf: notif-iter: accept EOF at beginning of packet context with no PH
+	* Tests: add tests for the babeltrace python package
+	* python: reimplement the babeltrace package as a bt2 wrapper
+	* python: Remove native code from babeltrace package
+	* Add `bt2.TraceCollectionNotificationIterator` tests
+	* bt2: __init__.py: remove unused NoSuchPlugin
+	* bt2: add trace collection notification iterator
+	* flt.utils.trimmer: allow `begin`/`end` params. to be integers
+	* bt2: values: remove public `value` getter
+	* Python bt2 fix: erroneous imports following split of clock class and value
+	* Omit 'value' from is_set and reset field functions
+	* Python bt2: remove type restriction on structure __setitem__
+	* Cleanup: line exceeds 80 chars
+	* Fix: ensure sequence length field value is set and freeze it
+	* Cleanup: coding style mandates space after cast operator
+	* Fix Python bt2: sequence length field may be NULL
+	* Python bt2: value is a write-only property
+	* Python bt2: add reset and is_set to fields
+	* Docs: structure_set_field_by_name doesn't garantee field replacement
+	* Add field value is_set and reset functions to the public API
+	* Allocate structure fields on creation
+	* Python test: remove useless test
+	* Python bt2: value properties for sequence and struct
+	* Use boolean for frozen and set field states
+	* Update .gitignore exclusions
+	* Tests: use of non-existant API in bt2 python package test
+	* Python bt2 fix: _ClockValue is no longer part of bt2.clock_class
+	* Enumeration mapping iterator's initial position is inconsistent
+	* CONTRIBUTING.adoc: add step to add env. var. name to cli/babeltrace.c
+	* CONTRIBUTING.adoc: MY_MODULE_LOGGING_H -> BABELTRACE_MY_MODULE_LOGGING_H
+	* CONTRIBUTING.adoc: document BT_LOG*_ERRNO() macros
+	* Add CONTRIBUTING.adoc
+	* lib/ctf-ir/utils.c: lazy-initialize the hash table of reserved keywords
+	* Implement bt_private_connection_notification_iterator_from_private()
+	* Rename bt_X_from_private_X() -> bt_X_from_private()
+	* Avoid unnecessary inclusions in public headers
+	* bt2: split clock value module from clock class module
+	* Split clock value API from clock class API
+	* tests: remove `check` targets in subdirectories
+	* Test bt2._OutputPort.create_notification_iterator()
+	* bt2: add bt2._OutputPort.create_notification_iterator()
+	* Test output port notification iterator
+	* lib: add output port notification iterator
+	* Split notification iterator API into base and specialized functions
+	* Remove notification iterator seeking API until it's supported
+	* lib: graph: disallow recursive consuming
+	* lib: graph.c: call bt_graph_consume_no_check() in bt_graph_run()
+	* ir: stream.c: do not truncate file at each packet flush
+	* Fix: bindings/python/bt2: use appropriate log level variable names
+	* Python plugin provider: only finalize interpreter if we initialized it
+	* Fix: common: improve color support handling
+	* Fix: component.py: pass `other_port`, not `other_port_ptr` to user
+	* Add query executor
+	* Tests: erroneous usage of if preprocessor directive
+	* Fix: remove g_spawn_check_exit_status to support glib 2.22
+	* Port: don't quote wc output in test scripts
+	* Missing stamp file in .gitignore
+	* Fix: import of ctf_writer in bt2.stream
+	* Fix: typo in ctf_writer error msg
+	* filter.lttng-utils.debug-info fix: wrong type used as function parameter
+	* src.ctf.fs fix: wrong type specifier used in logging statement
+	* Test fix: python plugin provider with new bindings
+	* Fix: silence unused warning in native_bt
+	* Fix: python bindings OOT build
+	* Remove the python bindinds tests switch from configure
+	* Add python tap runner to the tree
+	* Build Python bindings with distutils for consistent installs
+	* Fix: add missing void param to bt_clock_class_priority_map_create
+	* Fix: build lib before python-plugin-provider
+	* Test: run debug-info even with built-in plugins
+	* Fix test: don't link tests directly with plugins
+	* Fix test: OOT build of test_trace_copy and test_trimmer
+	* Fix: support older pkg-config autoconf macros
+	* Port: don't quote wc output in test scripts
+	* Report plugins without a path as "built-in"
+	* Port: replace literal '/' with G_DIR_SEPARATOR
+	* Port: normalize windows path on Mingw
+	* Port: handle ctrl+c on Mingw
+	* src.ctf.fs: implement stream indexing
+	* src.ctf.fs: move internal util to ctf/common/utils
+	* src.ctf.fs cleanup: unused page size variable
+	* Fix: global logging symbols defined multiple times
+	* Port fix: don't round mmap offset to next page
+	* Port fix: Windows does not allow read-only mappings > file's size
+	* Test fix: handle debug info disabled in test_convert_args
+	* Test fix: use portable path code in test_plugin
+	* Test fix: handle timestamps order in test_trace_copy
+	* Test: rework shell test scripts
+	* Port: use SIZE_MAX as max size_t value
+	* Port: fix logging with C99 format specifiers on Mingw
+	* Test fix: free() of uninitialized pointer on error path
+	* Port: Replace fork() in test_ctf_writer
+	* tests: add diag_multiline() helper to escape multi-line diagnostic info
+	* Test: use static data in test_ctf_writer
+	* Fix test: remove hardcoded /tmp path
+	* Add Python plugin provider tests
+	* Python plugin provider: log if Python interpreter is already initialized
+	* lib/plugin/plugin.c: log more details when g_module_open() fails
+	* python-plugin-provider/Makefile.am: link to libbabeltrace
+	* Fix sink.ctf.fs: NULL dereference in logging statement
+	* Fix filter.utils.muxer: NULL dereference in logging statement
+	* Fix: overflowed return value
+	* Fix: attempt to fix improper use of negative value
+	* Fix: add missing overflow check in bt_ctf_stream_pos_access_ok
+	* Fix: uninitialized return value on error
+	* Fix: handle unknown enum mapping
+	* Cleanup: no need to check for NULL before g_free
+	* Update Python bindings and tests to match the latest API
+	* lib/plugin/plugin.c: do not use G_MODULE_BIND_LOCAL for Python plugin provider
+	* Add built-in colander sink component class
+	* Remove include of <babeltrace-internal.h> from public headers
+	* tests/lib/test-plugin-plugins/minimal.c: add missing <glib.h> include
+	* cli/babeltrace-log.c: include <string.h> for strdup()
+	* graph: check if graph has at least one sink to return the NO_SINK status
+	* Fix: CC prio. map. leak in event notification
+	* lib: do not finalize a non-initialized notification iterator
+	* Fix: cli: Coverity issue: no need to check `status`
+	* bt_ctf_clock_value_create(): freeze clock class
+	* Graph: pass remove listeners when adding listeners
+	* ir: trace: pass remove listeners when adding listeners
+	* include/babeltrace/graph/private-component.h: add missing `extern`
+	* Remove bt_notification_discarded_{events,packets}_set_count()
+	* bt_notification_inactivity_create(): create an empty CC priority map when NULL
+	* bt_notification_event_create(): create an empty CC priority map when NULL
+	* lib: move bt_notification_iterator_next_return to component-class.h
+	* lib: use `enum bt_port_status` where possible
+	* Remove unused bt_port_remove_from_component()
+	* Update .gitignore to add newly generated test files
+	* Re-enable the bin-info and dward tests
+	* Port: Add glib checks for cross compilation
+	* Fix: ctf-testsuite variant-missing-fields
+	* Fix: fallback on content size if packet size is missing
+	* Fix: unchecked return value of bt_value_array_append_string
+	* Fix: tests: offset_s * ns_per_s should not overflow uint64_t
+	* Fix: unchecked return value in ctf-writer test
+	* Fix: unchecked return value of bt_ctf_field_type_get_field_at_index
+	* Fix: unchecked return values of bt_value getters
+	* Fix: unchecked return value of stream flush
+	* Fix: unchecked return value
+	* Fix: remove dead code
+	* Fix: wrong variable checked for NULL after allocation
+	* Cleanup: dereference after null check
+	* Fix: add missing goto end on error
+	* Cleanup: remove logically dead code
+	* Fix: dereference after null check
+	* Fix: wrong variable in NULL check
+	* Cleanup: remove logically dead code
+	* Cleanup: identical code for different branches
+	* Fix: add missing bound checking in decode_packet
+	* Fix: Dereference null return value
+	* Fix: null check after deref, use uninitialized or freed variable
+	* Cleanup: missing empty line between functions
+	* Use logging macros in src.ctf-fs queries
+	* Fix: missing ftell/fseek error handling
+	* Fix: use of file pointer after fclose()
+	* Cleanup: mixing enum types
+	* Fix: missing check of ftell error
+	* Fix: mixed enums used in source.ctf.fs
+	* Fix: Dereference null return value
+	* Fix: assert compared unsigned to 0
+	* Fix: negative loop bound check
+	* Fix: resolve.c: enum type mismatch
+	* Fix: Explicit null dereferenced
+	* Standard logging for ctf.fs sink
+	* Standard logging for libctfcopytrace
+	* Standard logging for debug_info plugin
+	* Standard logging for trimmer/copy.c
+	* Fix tests: run plugins test wrapper script
+	* Fix test: intersection has too large offset_s
+	* Tests: only run debug info tests when the feature is enabled
+	* Port: Add dummy symbol for macOS linker
+	* Update gitignore
+	* Port: use a separate variable for elfutils libs
+	* Port: built-in plugins support for the macOS linker
+	* Port: 'struct tm' member count vary across platforms
+	* Port: Solaris and Cygwin have no sys/syslimits.h
+	* Port: cast result of be64toh() to uint64_t for print format
+	* Port: __STRINGIFY exists on Cygwin
+	* Port: Add Solaris tid support to logging
+	* Port: Add Cygwin tid support to logging
+	* Port: unlink() requires unistd.h on Solaris and macOS
+	* Port: handle 'size_t' / 'off_t' on Solaris
+	* Port: replace strerror_r() by g_strerror()
+	* Port: replace opendir() by g_dir_open()
+	* Port: replace setenv() by g_setenv()
+	* Fix: append to LIBS, don't override it
+	* Port: do not include malloc.h
+	* Fix: visit_event_decl(): always set stream_id variable
+	* Fix: don't store an int64_t value in a ptr
+	* Fix: use extern for variables instead of BT_HIDDEN
+	* Fix: logging in socket-internal.h
+	* Fix: remove g_ptr_array_insert to keep glib 2.22 compat
+	* Fix: g_hash_table_insert returns 'void' in glib <= 2.39.2
+	* Fix: G_SPAWN_DEFAULT was introduced in glib 2.37.6
+	* Pretty plugin: only print negative timestamp warning once per component
+	* Fix test: packet seq num has too large offset_s
+	* ctf: visitor-generate-ir: accept negative clock offsets
+	* Fix: clock-class.c: cache ns from Epoch and check for overflows
+	* Fix: ctf: notif-iter: error on empty events (0 bits of data)
+	* Fix: test: expect the new warning format for seqnum
+	* Fix: packet sequence number handling and discarded packet reporting
+	* ctf: notif-iter.c: check state on BT_CTF_NOTIF_ITER_MEDIUM_STATUS_EOF
+	* cli: do not allow --stream-intersection with --run-args/--run-args-0
+	* Fix test_convert_args
+	* cli: fix implicit clock class offset parameters
+	* Completely rework configure.ac
+	* Update autoconf archive macros
+	* Clean LICENSE file
+	* Cleanup: bison and flex detection
+	* Cleanup: uuid library detection
+	* Cleanup: popt library detection
+	* Fix: Don't override user variables within the build system
+	* Fix: built-in plugins with new plugin filenames
+
 2017-07-07 babeltrace 2.0.0-pre3 (Comic Sans Day)
 	* Update configure.ac version to pre3