Claude Code v2.1.263

Released Sep 6, 2026 (8 days ago).

"References this build" means the issue body mentions running 2.1.263 (from the bug-report template). It reflects report volume, not a proven defect count — an issue may mention a version without being caused by it. First-party data from the anthropics/claude-code tracker.

Top issues reported on v2.1.263

Ranked by community engagement (reactions and comments).

• [BUG] [VS Code] "New session" ignores the requesting panel's editor group and opens a new locked group unless some group holds only Claude tabs
  Open 💬 3 👍 5 #92818
• [FEATURE] Make the context-usage indicator's 50% visibility threshold configurable in the VS Code extension
  Open 💬 3 👍 2 #93036
• [BUG] Claude Code Desktop: session transcripts silently become permanently unavailable (cliSessionId nulled, no local recovery path) — follow-up to anthropics/claude-code#79044
  Open 💬 7 #92825
• [BUG] Fable 5.1 regression in honesty and alignment making Claude Code unreliable partner
  Open 💬 6 #92862
• [BUG] TUI renumbers the user's own ordered list when echoing it — every item after the first loses its typed number (regression in 2.1.234)
  Open 💬 0 👍 2 #92855
• [BUG] Claude Code 2.1.263 crashes with Bun segmentation fault on Windows 11 — reproducible on trivial prompts
  Open 💬 5 #92916
• Injected commit/PR attribution instruction overrides the user's CLAUDE.md trailer rule — attribution should be defined by the project, not the CLI
  Open 💬 2 👍 1 #92893
• [Bug] Diff view assumes current directory is git root, fails in parent folder of multiple git repositories
  Open 💬 1 👍 1 #92786
• Trackpad scrolling triggers Up/Down command history after /clear
  Open 💬 1 👍 1 #92781
• I don't have a bug report to analyze. Please provide the bug report details so I can generate an appropriate GitHub issue title.
  Open 💬 1 👍 1 #92768
• Windows/Git Bash: Bash tool command line truncated at ~8175 chars, and backslash runs halved by MSYS2 argv parsing
  Open 💬 0 👍 1 #93618
• [FEATURE] Expose a session's context window and cost to local tools when the session has no status line (VS Code extension, SDK)
  Open 💬 3 #92853
• [Bug] Anthropic API Error: Content flagged by safety filters - unable to process request
  Open 💬 0 👍 1 #92744
• [Bug] Auto mode requests authorization for all commands instead of auto-approving benign operations
  Open 💬 0 👍 1 #92718
• [BUG] /context output pollutes session context after it runs
  Open 💬 0 👍 1 #92695
• 5hr usage limit jumped from 0% to 100% after 1 simple bash script. Weekly from 53% to 67%.
  Open 💬 0 👍 1 #92654
• [Bug] Incomplete text copying from terminal output on Linux when selecting upward
  Open 💬 3 #92653
• [Bug] code-review consumes excessive token budget in short timeframe
  Open 💬 0 👍 1 #92581
• [Bug] Fable 5.1 excessive token consumption on low-effort tasks
  Open 💬 0 👍 1 #92499
• [BUG] Each sandboxed Bash tool call blocks the event loop ~8.4s (fixed cost, independent of command); terminal input freezes for the duration
  Open 💬 2 #92896
• [Feature Request] Fast mode in the desktop app (Code tab): meter it against plan usage at a multiplier, like Codex, instead of a separate usage-credits wallet
  Open 💬 2 #92745
• [BUG] bug_report_claude_code_bun_crash_en
  Open 💬 2 #92686
• [Bug] Token usage spike unexplained during idle session
  Open 💬 2 #92485
• Desktop app: worktree sessions reload every claude.ai connector; per-project disable list does not follow worktrees and deniedMcpServers cannot suppress app-injected connectors
  Open 💬 1 #93722
• [FEATURE] VS Code extension: show and copy the session id (stable) beside the cross-session name (per-process) in the chat panel
  Open 💬 1 #93459
• [Bug] Anthropic API Error: Message Blocked by Safety Guidelines on Legitimate Code Review Task
  Open 💬 1 #93172
• You've hit your session limit · resets 11am (America/Denver)
  Open 💬 1 #93100
• [BUG] VS Code extension: a plain message starting with an absolute path is misdetected as a slash command, losing the collapse control and hiding the response
  Open 💬 1 #93052
• Windows: synchronous command hooks wait for persistent descendants
  Open 💬 1 #92934
• [BUG] "tell Claude what to do next" instructions don't reach Claude if a bash command is approved but fails
  Open 💬 1 #92929

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