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Claude Code v2.1.93 Released - Deferred Permission Decisions, Flicker-Free Rendering, and More

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#Claude Code #Anthropic #Coding #AI #Release Notes

Anthropic releases Claude Code v2.1.93 with deferred permission decisions for PreToolUse hooks, flicker-free rendering option, PermissionDenied hook, and named subagent typeahead support.

Claude Code v2.1.93 Released - Deferred Permission Decisions, Flicker-Free Rendering, and More

Anthropic released Claude Code v2.1.93 on April 4, 2026. This release includes deferred permission decisions for PreToolUse hooks, flicker-free rendering options, a new PermissionDenied hook, and improved subagent typeahead support.

Key New Features

Deferred Permission Decision for PreToolUse Hooks

A β€œdefer” permission decision has been added to PreToolUse hooks. This allows headless sessions to pause at a tool call and resume with -p --resume for re-evaluation. This enhancement provides more flexibility in automated workflows.

Flicker-Free Rendering Option

A new environment variable CLAUDE_CODE_NO_FLICKER=1 has been added. When enabled, users can opt into flicker-free alt-screen rendering with virtualized scrollback.

PermissionDenied Hook

A new PermissionDenied hook has been added. This hook activates after auto-mode classifier denials. Returning {retry: true} with this hook can prompt the model to retry the action.

Named Subagents in Typeahead

Named subagents are now included in @ mention typeahead suggestions, making it easier to invoke subagents.

Bug Fixes

  • Additional stability and performance improvements

More Information

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