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claude-devtools releases

The missing DevTools for Claude Code — inspect session logs, tool calls, token usage, subagents, and context window in a visual UI. Free, open source.

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v0.5.0 Bug fix

Sidebar recency fix

v0.4.16 New feature
Notable features
  • SSH connection made robust and self‑diagnosing
Full changelog

What's Changed

  • fix(discovery): list sessions from git worktrees by @Arshgill01 in https://github.com/matt1398/claude-devtools/pull/191
  • feat(ssh): make SSH connection robust and self-diagnosing by @matt1398 in https://github.com/matt1398/claude-devtools/pull/192

New Contributors

  • @Arshgill01 made their first contribution in https://github.com/matt1398/claude-devtools/pull/191

Full Changelog: https://github.com/matt1398/claude-devtools/compare/v0.4.15...v0.4.16

v0.4.15 Bug fix

Fixed incorrect architecture routing for macOS DMG and in‑app updates.

Full changelog

What's Changed

  • fix(release): correct arch routing for macOS dmg + in-app updates by @matt1398 in https://github.com/matt1398/claude-devtools/pull/189

Full Changelog: https://github.com/matt1398/claude-devtools/compare/v0.4.14...v0.4.15

v0.4.13 Mixed
Notable features
  • Add hover copy button to last output markdown
  • Prevent stale session detail and 60s update lag
Full changelog

What's Changed

  • fix: prevent stale session detail and 60s update lag by @matt1398 in https://github.com/matt1398/claude-devtools/pull/183
  • feat: add hover copy button to last output markdown by @matt1398 in https://github.com/matt1398/claude-devtools/pull/182
  • fix(MermaidViewer): clean up orphan error SVG left in document.body by @GoldenXPig in https://github.com/matt1398/claude-devtools/pull/184

New Contributors

  • @GoldenXPig made their first contribution in https://github.com/matt1398/claude-devtools/pull/184

Full Changelog: https://github.com/matt1398/claude-devtools/compare/v0.4.11...v0.4.13

v0.4.10 New feature
Notable features
  • mermaid code block rendering as interactive diagrams
  • session ID lookup in CommandPalette
v0.4.9 Maintenance

Performance optimizations in message categorization, file I/O, and regex caching improve responsiveness.

v0.4.8 Mixed
Notable features
  • Syntax highlighting for R, Ruby, PHP, and SQL
  • Streaming JSONL deduplication prevents ~2x cost overcounting
  • Ctrl+R session refresh with IPC and scroll-to-bottom
Full changelog

What's Changed

  • chore(deps): bump rollup from 4.55.1 to 4.59.0 in the npm_and_yarn group across 1 directory by @dependabot[bot] in https://github.com/matt1398/claude-devtools/pull/88
  • fix: deduplicate streaming JSONL entries to prevent ~2x cost overcounting by @Psypeal in https://github.com/matt1398/claude-devtools/pull/77
  • feat: add syntax highlighting for R, Ruby, PHP, and SQL by @Psypeal in https://github.com/matt1398/claude-devtools/pull/76
  • fix(#85): Ctrl+R session refresh via IPC with scroll-to-bottom by @Psypeal in https://github.com/matt1398/claude-devtools/pull/89
  • fix: sidebar header repo/branch not syncing when switching tabs by @LeeJuOh in https://github.com/matt1398/claude-devtools/pull/97
  • perf: optimize search and reduce unnecessary re-renders by @matt1398 in https://github.com/matt1398/claude-devtools/pull/99
  • fix: mark stale ongoing sessions as dead after 5min inactivity by @matt1398 in https://github.com/matt1398/claude-devtools/pull/100

New Contributors

  • @LeeJuOh made their first contribution in https://github.com/matt1398/claude-devtools/pull/97

Full Changelog: https://github.com/matt1398/claude-devtools/compare/v0.4.7...v0.4.8

v0.4.7 Maintenance

Updated contribution guidelines and reverted changes to clarify project scope.

v0.4.6 Mixed
Notable features
  • Session analysis reports with assessment badges
  • Cost calculation metrics
  • Custom title bar on Linux with native toggle
Full changelog

What's Changed

  • Update issue templates by @matt1398 in https://github.com/matt1398/claude-devtools/pull/63
  • chore(deps): bump the npm_and_yarn group across 1 directory with 4 updates by @dependabot[bot] in https://github.com/matt1398/claude-devtools/pull/64
  • fix: auto-expand sidebar when a project is selected by @proxikal in https://github.com/matt1398/claude-devtools/pull/56
  • fix: resolve performance regression in transcript loading and session search by @proxikal in https://github.com/matt1398/claude-devtools/pull/55
  • fix: wrap HTTP_SERVER_GET_STATUS response in IpcResult envelope by @proxikal in https://github.com/matt1398/claude-devtools/pull/57
  • feat: add auto-expand AI response groups setting by @proxikal in https://github.com/matt1398/claude-devtools/pull/59
  • fix: prevent Ctrl+R page reload and show platform-aware shortcuts (#58) by @Psypeal in https://github.com/matt1398/claude-devtools/pull/66
  • fix: guard Notification.isSupported for standalone/Docker (#42) by @Psypeal in https://github.com/matt1398/claude-devtools/pull/67
  • fix: reliable window drag region in tab bar by @proxikal in https://github.com/matt1398/claude-devtools/pull/69
  • feat: add cost calculation metric by @KaustubhPatange in https://github.com/matt1398/claude-devtools/pull/65
  • feat: session analysis report with assessment badges by @holstein13 in https://github.com/matt1398/claude-devtools/pull/60
  • feat: add MoreMenu component for toolbar actions by @matt1398 in https://github.com/matt1398/claude-devtools/pull/71
  • Unify cost calculation with shared pricing module by @holstein13 in https://github.com/matt1398/claude-devtools/pull/73
  • feat: custom title bar on Linux with native toggle by @Psypeal in https://github.com/matt1398/claude-devtools/pull/68

New Contributors

  • @dependabot[bot] made their first contribution in https://github.com/matt1398/claude-devtools/pull/64
  • @proxikal made their first contribution in https://github.com/matt1398/claude-devtools/pull/56

Full Changelog: https://github.com/matt1398/claude-devtools/compare/v0.4.5...v0.4.6

v0.4.5 New feature
Notable features
  • global session search
  • session export (Markdown, JSON, Plain Text)
  • color badges for subagent types
v0.4.4 New feature
Notable features
  • Improved MCP tool input/output rendering
  • Enhanced notification handling with scoped actions
  • Copy functionality in session context menu
Full changelog

What's Changed

  • feat: improve MCP tool input/output rendering by @cesarafonseca in https://github.com/matt1398/claude-devtools/pull/33
  • feat: enhance notification handling with scoped actions by @matt1398 in https://github.com/matt1398/claude-devtools/pull/36
  • feat: add copy functionality to session context menu by @matt1398 in https://github.com/matt1398/claude-devtools/pull/37
  • feat: enhance ContextBadge and SessionContextPanel with new FlatInjec… by @matt1398 in https://github.com/matt1398/claude-devtools/pull/38

Full Changelog: https://github.com/matt1398/claude-devtools/compare/v0.4.3...v0.4.4

v0.4.2 Mixed
Notable features
  • Docker support
  • Session management improvements
  • Markdown preview toggle for Write tool output
Full changelog

What's Changed

  • Docker support, session management, context insights, and subagent display improvements by @matt1398 in https://github.com/matt1398/claude-devtools/pull/15
  • feat: add markdown preview toggle for Write tool output by @sanathks in https://github.com/matt1398/claude-devtools/pull/21
  • fix: collect tool results from subagent messages with absent isMeta field by @cesarafonseca in https://github.com/matt1398/claude-devtools/pull/23

New Contributors

  • @sanathks made their first contribution in https://github.com/matt1398/claude-devtools/pull/21
  • @cesarafonseca made their first contribution in https://github.com/matt1398/claude-devtools/pull/23

Full Changelog: https://github.com/matt1398/claude-devtools/compare/v0.4.1...v0.4.2

v0.4.0 Maintenance

### Highlights - Added intel macOS support - Added linux support - Added WSL support for discovering Claude root path candidates.

Beta — feedback welcome: [email protected]