Added support for Amazon Bedrock powered by Mantle via CLAUDE_CODE_USE_MANTLE=1. Changed default effort level from medium to high for API-key, Bedrock/Vertex/Foundry, Team, and Enterprise users (controllable via /effort). Added compact Slacked #channel header with clickable channel link for Slack MCP send-message tool calls. Added keep-coding-instructions frontmatter field support for plugin output styles. Added hookSpecificOutput.sessionTitle to UserPromptSubmit hooks for setting session title.
Plugin skills declared via "skills": ["./"] now use frontmatter name for invocation instead of directory basename. Fixed agents appearing stuck after 429 rate-limit response with long Retry-After header. Fixed Console login on macOS silently failing when login keychain is locked. Fixed plugin skill hooks in YAML frontmatter being silently ignored. Fixed plugin hooks failing with "No such file or directory" when CLAUDE_PLUGIN_ROOT not set. Fixed ${CLAUDE_PLUGIN_ROOT} resolving to marketplace source instead of installed cache.
Fixed scrollback showing repeated diffs and blank pages in long-running sessions. Fixed multiline user prompts indenting wrapped lines incorrectly. Fixed Shift+Space inserting literal "space" instead of space character in search inputs. Fixed hyperlinks opening two tabs in tmux with xterm.js terminals. Fixed alt-screen rendering bug with ghost lines. Fixed FORCE_HYPERLINK ignored when set via settings.json. Fixed native terminal cursor not tracking selected tab in dialogs.
Fixed Bedrock invocation of Sonnet 3.5 v2 by using us. inference profile ID. Fixed SDK/print mode not preserving partial assistant response. Improved --resume to resume sessions from other worktrees directly. Fixed CJK text corrupted with U+FFFD in stream-json when UTF-8 split at chunk boundaries. Reduced VSCode cold-open subprocess work. Fixed VSCode dropdown menus selecting wrong item. Added VSCode warning banner for settings.json parse failures.
Fetched April 11, 2026