+2020-02-05 babeltrace 1.5.8 (National Chocolate Fondue Day)
+ * Fix: lttng-live format: do not error out on empty streams hang up
+ * Fix: lttng-live: ctf_live_packet_seek stream hang up handling
+ * Fix: lib/iterator.c: unbalanced ctx put (leak)
+ * Fix: lttng-live: lttng_live_open_trace_read memory leak
+ * Fix: trace-collection: trace clock use after free
+ * Fix: lttng-live: use-after-free in get_next_index()
+ * Do not use diagnostic pragma when GCC version is lower than 4.6.0
+ * Missing define when not building with gcc
+
+2019-06-25 lttng-tools 1.5.7 (Global Beatles Day)
+ * Cleanup: bitfields: streamline use of underscores
+ * Fix: bitfield: shift undefined/implementation defined behaviors
+ * Fix: array and sequence field's 'elems' members can be left NULL
+ * Fix: invalid alignment of enumeration fields
+
2018-07-03 babeltrace 1.5.6 (National Fried Clam Day)
* Fix: remove left-over debug logging statement
* Use trace->trace_id in check to remove trace from bt_ctx