You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Bash ToolArea: what it touches
Bug FixesKind: in v2.1.242,
Bug FixesSection of the release
What
Input 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.
Evidence
"tool_host_result_lines"
Strings lifted out of the shipped bundle, so the claim above can be checked against them.