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v2.1.116 Claude Code Release Notes

Apr 20, 2026
Claude's Analysisby Sonnet 4.6
Full Analysis

Major reliability pass: 8 terminal input fixes (Kitty protocol, Ctrl+Z hang, scrollback), 67% faster /resume on large sessions, and a security fix closing a sandbox rm bypass.

Changes
25
Total Changes (vs Average)
1.9×
Version Type
Patch
Release Focus
Mixed
Days Since Prior Release
3
Release # This Month
#19 of 26
Bug Fix Ratio
48%
Post-Release Edits
+1
Change Category
Ecosystem Impact
Terminals have been addressed in 5 of the last 10 releases; this drop delivers the heaviest terminal-specific workload yet at 8 fixes. Chrome makes its first platform appearance in release history, and VS Code returns after a 5-release absence.
Key Themes
8Terminal Input & Rendering Overhaul|3Session Performance & Large File Handling|1Security — Breaking Sandbox Change|6UX & Developer Ergonomics|4Plugin & Agent Command Reliability
May Help If You've Noticed
Keyboard shortcuts like Ctrl+-, Ctrl+Z, or Cmd+Left don't respond in Ghostty, iTerm2, WezTerm, or kitty
/resume loads a blank conversation on large project sessions instead of restoring your history
Claude freezes in the terminal when you press Ctrl+Z after launching with npx or bun run
Scrolling back in the terminal shows repeated conversation history after resizing the window
/config search doesn't surface a setting when you type its value like 'vim' instead of the setting name

Changes in Claude Code v2.1.116

Improved2 changes

  • •Faster MCP startup when multiple stdio servers are configured; resources/templates/list is now deferred to first @-mention
  • •Smoother fullscreen scrolling in VS Code, Cursor, and Windsurf terminals — /terminal-setup now configures the editor's scroll sensitivity

Fixed12 changes

  • •Fixed Devanagari and other Indic scripts rendering with broken column alignment in the terminal UI
  • •Fixed Ctrl+- not triggering undo in terminals using the Kitty keyboard protocol (iTerm2, Ghostty, kitty, WezTerm, Windows Terminal)
  • •Fixed Cmd+Left/Right not jumping to line start/end in terminals that use the Kitty keyboard protocol (Warp fullscreen, kitty, Ghostty, WezTerm)
  • •Fixed Ctrl+Z hanging the terminal when Claude Code is launched via a wrapper process (e.g. npx, bun run)
  • •Fixed scrollback duplication in inline mode where resizing the terminal or large output bursts would repeat earlier conversation history
  • •Fixed modal search dialogs overflowing the screen at short terminal heights, hiding the search box and keyboard hints
  • •Fixed scattered blank cells and disappearing composer chrome in the VS Code integrated terminal during scrolling
  • •Fixed an intermittent API 400 error related to cache control TTL ordering that could occur when a parallel request completed during request setup
  • •Fixed /branch rejecting conversations with transcripts larger than 50MB
  • •Fixed /resume silently showing an empty conversation on large session files instead of reporting the load error
  • •Fixed /plugin Installed tab showing the same item twice when it appears under Needs attention or Favorites
  • •Fixed /update and /tui not working after entering a worktree mid-session

Other11 changes

  • •/resume on large sessions is significantly faster (up to 67% on 40MB+ sessions) and handles sessions with many dead-fork entries more efficiently
  • •Thinking spinner now shows progress inline ("still thinking", "thinking more", "almost done thinking"), replacing the separate hint row
  • •/config search now matches option values (e.g. searching "vim" finds the Editor mode setting)
  • •/doctor can now be opened while Claude is responding, without waiting for the current turn to finish
  • •/reload-plugins and background plugin auto-update now auto-install missing plugin dependencies from marketplaces you've already added
  • •Bash tool now surfaces a hint when gh commands hit GitHub's API rate limit, so agents can back off instead of retrying
  • •The Usage tab in Settings now shows your 5-hour and weekly usage immediately and no longer fails when the usage endpoint is rate-limited
  • •Agent frontmatter hooks: now fire when running as a main-thread agent via --agent
  • •Slash command menu now shows "No commands match" when your filter has zero results, instead of disappearing
  • •Security: sandbox auto-allow no longer bypasses the dangerous-path safety check for rm/rmdir targeting /, $HOME, or other critical system directories
  • •Claude Code and installer now use https://downloads.claude.ai/claude-code-releases instead of https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases

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