You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
Background TasksArea: what it touches
New FeaturesKind: in v2.1.229,
New FeaturesSection of the release
What
When a shell command you sent to the background finishes, a bracketed line is appended to its captured output saying either that it was killed or what exit code it returned, so the transcript records the outcome rather than just stopping.
Details
The marker is written before the existing success/failure telemetry for the background shell.
Evidence
exited with code
Strings lifted out of the shipped bundle, so the claim above can be checked against them.