Claude Code v2.1.123

Released Apr 29, 2026 (4 months ago).

"References this build" means the issue body mentions running 2.1.123 (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 v2.1.123

Ranked by community engagement (reactions and comments).

• [Bug] Unexpected high API usage consumption - 100% quota in 1-2 hours
  Open 💬 33 👍 12 #54776
• Bug: Claude Code current session limit reaches 100% despite low visible local session usage
  Open 💬 19 👍 12 #54750
• Max 20x plan hitting daily limit with reduced usage — limits appear silently tightened (April 28-29, 2026)
  Resolved 💬 14 👍 9 #54714
• VS Code extension: thinking blocks render without expand chevron
  Open 💬 5 👍 11 #55120
• 5-hour usage limit hits 100% instantly despite low context usage (11%)
  Resolved 💬 7 👍 9 #54672
• [BUG] Remote agent runs stuck on "Setting up a cloud container" — cannot cancel
  Resolved 💬 11 👍 6 #54528
• [BUG] Notification hooks not firing for permission_prompt in VS Code extension
  Resolved 💬 16 👍 2 #55875
• [BUG] Scheduled routines fail — virtiofs cannot mount through ~/Documents symlink (OneDrive Known Folder Move)
  Resolved 💬 3 👍 6 #55176
• VS Code extension: clicking chat links to binary files (images) silently fails — unhandled showTextDocument rejection
  Open 💬 2 👍 6 #81227
• [BUG] Rapid quota consumption in Claude Code with Opus 4.7 1M context — minutes-scale 90%+ burn from few prompts
  Resolved 💬 5 👍 5 #54770
• [Bug] Excessive token consumption on minor code updates
  Resolved 💬 5 👍 5 #54684
• [Bug] Unexpected high usage consumption on Claude Max plan (using claude code)
  Resolved 💬 3 👍 5 #54926
• [BUG] close to ridiculously usage limits. 4 messages and 50 percent used in peak at 5x max.
  Resolved 💬 3 👍 4 #55090
• [Bug] Extreme token consumption in API requests
  Resolved 💬 5 👍 3 #54761
• [Bug] Claude Desktop VM workspace startup failure: path mismatch between AppData\Roaming and AppData\Local
  Resolved 💬 6 👍 2 #56542
• Add per-tool-call wall-clock timestamps on tool-use headers in the VSCode extension chat UI
  Resolved 💬 3 👍 3 #55125
• remoteControlAtStartup: true in settings.json does not auto-enable remote control on new sessions
  Resolved 💬 3 👍 3 #54527
• CLI requires extra-usage billing for fast Opus 4.6, but desktop app runs it on Max plan
  Resolved 💬 2 👍 3 #55050
• [Bug] Explore agent fails with zero tool uses at conversation start
  Resolved 💬 5 👍 2 #55015
• Path-pattern scanner false-positives on macOS usernames containing `.`, and "always allow" option fails to persist a rule (Bash and Write only; Edit unaffected)
  Open 💬 7 👍 1 #54856
• claude setup-token outputs OAuth token wrapped across two lines, breaks copy-paste
  Resolved 💬 4 👍 2 #54738
• [BUG] Auto-update breaks claude.exe on Windows (NVM for Windows)
  Resolved 💬 4 👍 2 #54639
• Claude in Chrome bridge silently fails when both Desktop and CLI native-messaging hosts are registered for the same extension
  Resolved 💬 7 👍 1 #54567
• [BUG] 100% CPU / frozen UI during plan mode streaming — auto-mode + fast-mode hot-loop in reactive state
  Resolved 💬 6 👍 1 #58276
• CLAUDE.md is wrapped with two contradictory system instructions in v2.1.123
  Resolved 💬 6 👍 1 #56760
• [Bug] Read tool cache survives esc-esc rewind, returning "unchanged" stubs without content
  Resolved 💬 3 👍 2 #55042
• Remote Control sessions show "Remote Control disconnected" banner on first turn despite session succeeding (control_response error="Already initialized")
  Resolved 💬 6 👍 1 #54838
• [BUG] You made Opus dumb again and I'm officially moving to codex.
  Resolved 💬 2 👍 2 #55161
• [BUG] Claude Code — Per-Agent Permission Control Gap
  Resolved 💬 8 #54898
• [BUG] Cloud MCP connectors (mcp__claude_ai_*) ignore permissions.allow — every call prompts for approval regardless of allowlist entries
  Resolved 💬 4 👍 1 #67371

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