Digest / Week of June 8–14, 2026
Claude Code Week in Review — June 8–14, 2026
2,324 new issues filed ·
1,792 resolved in anthropics/claude-code.
Most discussed new issues
- [BUG] Copy-paste does not work
- Advisor tool returns "unavailable" on claude-fable-5 whenever transcript exceeds ~100K tokens
- [BUG] Token consumption with Fable 5 is not matching with its description.
- [BUG] Fable is not available
- Title: Unable to access appeal form – /restricted redirects to /new
- [FEATURE] context-health monitoring
- [Bug] Fable 5 model safety measures blocking normal conversation content
- [BUG] Auto compact does not trigger at 100% context window and Claude Code stops itself on cli
- [Bug] Anthropic API Error: Invalid or Inaccessible Model claude-fable-5
- [BUG] Opus 4.8 confabulates user messages, a fake "prompt injection attack" narrative, and fabricated tool/host facts in long sessions (2 sessions, JSONL-verified)
- [Bug] Anthropic API Error: Incompatible model for tool advisor when using claude-fable-5
- Effort/model selection ("ultracode") reverts to "extra" when switching chats
- General-purpose sub-agents recursively spawn unbounded child agents, causing exponential fan-out and massive token burn
- [BUG] Filesystem extension silently fails to install after Squirrel → MSIX upgrade on Windows
- [BUG] [area:tool-use] [platform:macos] Write tool's full-file-replacement default causes irrecoverable data loss on governed, untracked state files — no append-only or protected-path mechanism available
- [BUG] Cursor position and rendering corruption in long sessions on macOS (iTerm2)
- Fable 5 model behavior: 16 min of silent tool calls, then AskUserQuestion about never-shared findings during incident response
- [BUG] Fable5 [P0!!!!!!!!!] Safety classifier false positive on syscall/ABI dev content forces silent mid-task model downgrade (Fable 5 1M → Opus 4.8), breaking PR review-reply workflow
- [Bug] TUI rendering corruption in Tmux: overlapping text output and screen state mismatch
- Desktop app leaks pseudo-terminals (ptys) until the system runs out (forkpty: Device not configured)
Day by day
- June 8, 2026 225 new · 200 resolved
- June 9, 2026 345 new · 194 resolved
- June 10, 2026 550 new · 187 resolved
- June 11, 2026 418 new · 278 resolved
- June 12, 2026 395 new · 338 resolved
- June 13, 2026 224 new · 326 resolved
- June 14, 2026 167 new · 269 resolved