Claude Code Changelog - v2.1.77
Updated: Tue, 17 Mar 2026 00:27:39 GMT
## 2.1.77
- Increased default maximum output token limits for Claude Opus 4.6 to 64k tokens, and the upper bound for Opus 4.6 and Sonnet 4.6 models to 128k tokens
- Added `allowRead` sandbox filesystem setting to re-allow read access within `denyRead` regions
- `/copy` now accepts an optional index: `/copy N` copies the Nth-latest assistant response
- Fixed "Always Allow" on compound bash commands (e.g. `cd src && npm test`) saving a single rule for the full string instead of per-subcommand, leading to dead rules and repeated permission prompts
- Fixed auto-updater starting overlapping binary downloads when the slash-command overlay repeatedly opened and closed, accumulating tens of gigabytes of memory
- Fixed `--resume` silently truncating recent conversation history due to a race between memory-extraction writes and the main transcript
- Fixed PreToolUse hooks returning `"allow"` bypassing `deny` permission rules, including enterprise managed settings
- Fixed Write tool silently converting line endings when overwriting CRLF files or creating files in CRLF directories
- Fixed memory growth in long-running sessions from progress messages surviving compaction
- Fixed cost and token usage not being tracked when the API falls back to non-streaming mode
- Fixed `CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS` not stripping beta tool-schema fields, causing proxy gateways to reject requests
- Fixed Bash tool reporting errors for successful commands when the system temp directory path contains spaces
- Fixed paste being lost when typing immediately after pasting
- Fixed Ctrl+D in `/feedback` text input deleting forward instead of the second press exiting the session
- Fixed API error when dragging a 0-byte image file into the prompt
- Fixed Claude Desktop sessions incorrectly using the terminal CLI's configured API key instead of OAuth
- Fixed `git-subdir` plugins at different subdirectories of the same monorepo commit colliding in the plugin cache
- Fixed ordered list numbers not rendering in terminal UI
- Fixed a race condition where stale-worktree cleanup could delete an agent worktree just resumed from a previous crash
- Fixed input deadlock when opening `/mcp` or similar dialogs while the agent is running
- Fixed Backspace and Delete keys not working in vim NORMAL mode
- Fixed status line not updating when vim mode is toggled on or off
- Fixed hyperlinks opening twice on Cmd+click in VS Code, Cursor, and other xterm.js-based terminals
- Fixed background colors rendering as terminal-default inside tmux with default configuration
- Fixed iTerm2 session crash when selecting text inside tmux over SSH
- Fixed clipboard copy silently failing in tmux sessions; copy toast now indicates whether to paste with `⌘V` or tmux `prefix+]`
- Fixed `←`/`→` accidentally switching tabs in settings, permissions, and sandbox dialogs while navigating lists
- Fixed IDE integration not auto-connecting when Claude Code is launched inside tmux or screen
- Fixed CJK characte
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