+* For a given data stream, for all the contiguous last packets of which
+ the `timestamp_end` context field is 0, the message iterator uses the
+ packet's last event record's time as the packet end message's time.
++
+This is useful for the traces which man:lttng-crash(1) generates.
+--
+
+LTTng-UST up to, but excluding, 2.11.0::
+LTTng-modules up to, but excluding, 2.9.13::
+LTTng-modules from 2.10.0 to 2.10.9::
++
+--
+* For a given packet, the message iterator uses the packet's last
+ event record's time as the packet end message's time, ignoring the
+ packet context's `timestamp_end` field.
+--
+
+barectf up to, but excluding, 2.3.1::
++
+--
+* For a given packet, the message iterator uses the packet's first event
+ record's time as the packet beginning message's time, ignoring the
+ packet context's `timestamp_begin` field.
+--