Update Jun 4, 2026 tracked by Updatify
2.1.78
-
Added
StopFailurehook event that fires when the turn ends due to an API error (rate limit, auth failure, etc.) -
Added
${CLAUDE_PLUGIN_DATA}variable for plugin persistent state that survives plugin updates;/plugin uninstallprompts before deleting it -
Added
effort,maxTurns, anddisallowedToolsfrontmatter support for plugin-shipped agents -
Terminal notifications (iTerm2/Kitty/Ghostty popups, progress bar) now reach the outer terminal when running inside tmux with
set -g allow-passthrough on - Response text now streams line-by-line as it’s generated
-
Fixed
git log HEADfailing with “ambiguous argument” inside sandboxed Bash on Linux, and stub files pollutinggit statusin the working directory -
Fixed
cc logand--resumesilently truncating conversation history on large sessions (>5 MB) that used subagents - Fixed infinite loop when API errors triggered stop hooks that re-fed blocking errors to the model
-
Fixed
deny: ["mcp__servername"]permission rules not removing MCP server tools before sending to the model, allowing it to see and attempt blocked tools -
Fixed
sandbox.filesystem.allowWritenot working with absolute paths (previously required//prefix) -
Fixed
/sandboxDependencies tab showing Linux prerequisites on macOS instead of macOS-specific info -
Security: Fixed silent sandbox disable when
sandbox.enabled: trueis set but dependencies are missing — now shows a visible startup warning