You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
HooksArea: what it touches
Bug FixesKind: in v2.1.296,
Bug FixesSection of the release
What
A PreToolUse hook is a command you configure to run before each tool call. A tool call is an action Claude takes, such as running a command or editing a file, and the hook can block it. When it does, the error begins "Execution stopped by PreToolUse hook". Any extra text from the hook is now added to that message. Before, the text could be lost. Images the hook returns are also now handled correctly.
Why
If you use blocking hooks, the tool result now shows the full reason the hook gave.
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeFixed managed-settings PreToolUse hooks that deny a tool call with "continue": false, and managed prompt hooks that block one, refusing the…
