The shell-exec helper now checks a new diskless-session flag before running any command. If the session is diskless, it throws immediately with a new error code instead of spawning a shell, reporting that shell commands are unavailable in this session and the command was not run.
Shell exec blocked entirely in diskless sessions
In a diskless session, shell commands now fail immediately with a message rather than spawning a shell.
You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
BashArea: what it touches
ImprovementsKind: in v2.1.257,
What probably matters to youSection of the release