{"version":"2.1.242","anchor":"bash-background-runs-honour-the-caller-s-constraint-stderr-m","canonical_anchor":"bash-background-runs-honour-the-caller-s-constraint-stderr-m","heading":"Bash background runs honour the caller's constraint, stderr matching normalised","tier":"notice","area":"Bash Tool","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.242\/e\/bash-background-runs-honour-the-caller-s-constraint-stderr-m","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.242","markdown":"### Bash background runs honour the caller's constraint, stderr matching normalised\n\nValid foreground bash calls are no longer wrongly rejected, and stderr matching is tidier.\n\n**What**\n\nInput validation now checks whether the calling request permits or requires a background run before objecting to a foreground one, so a valid foreground call is no longer rejected. Standard error is trimmed and stripped before being matched against patterns, and tool results can carry appended trailing text.\n\n**Evidence**\n\n`\"tool_host_result_lines\"`\n\n- Area: Bash Tool\n- Tier: You'll notice\n- Useful: 3\/5\n- Signal: 2\/5"}