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Codemux v0.19.3

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@github-actions github-actions released this 15 Aug 16:28
v0.19.3
b7be659

What's New

Features

  • Cross-provider conversation handoffs — move a live conversation between agent providers without losing the thread
  • Per-turn true revert checkpoints — revert the workspace to the exact state at any turn, not just the chat history
  • Configurable typography settings — set your own font family and sizing from Appearance
  • Shared MCP servers across agent providers — configure an MCP server once and every provider picks it up, with a gateway that discovers provider-native servers

Fixes

Chat

  • Preserve the thread across session restarts
  • Render complete WebKit text selections, and exclude structural whitespace and wrapper spans from copied text
  • Keep one orb for streaming thoughts in the subagent drill-in; flatten the standalone reasoning indicator
  • Preserve composer focus after the first send
  • Remove the running-tasks and tasks-control borders

MCP

  • Keep session start alive when gateway attach fails
  • Exclude OpenCode-native servers from gateway listing

Handoffs

  • Clear resolved handoff errors and fail closed on pane refresh
  • Keep conversation handoffs and commit-message models in scope
  • Pipe utility prompts to OpenCode and tighten handoff caching

Workspace & UI

  • Make diff hunk navigation land on the hunk
  • Hide git init for home chats
  • Fit settled PR and un-settle columns; align settled PR details
  • Show themes first from Appearance
  • Honor legacy font overrides and stop pinning the root size
  • Avoid a redundant checkpoint state reset on chat pane mount

Other

  • Unify the titlebar band into one frameless control family; refine workspace jump hints
  • Deploy the hosted web client as part of the release pipeline; log missing hosted assets and prune old backups
  • Share the session-handoff attach path

Install

AppImage (any Linux distro)

chmod +x codemux_0.19.3_amd64.AppImage
./codemux_0.19.3_amd64.AppImage

Arch Linux (AUR)

yay -S codemux-bin

Debian/Ubuntu

sudo dpkg -i codemux_0.19.3_amd64.deb

Windows

Download codemux_0.19.3_x64-setup.exe from the release assets and run the installer.

Note: The installer is not code-signed yet. Windows SmartScreen may show a warning — click "More info" → "Run anyway" to proceed. This will be resolved in a future release.

Existing users: Both Linux (AppImage) and Windows users will be prompted to update automatically via the auto-updater. No manual download required — the updater handles it on next app launch.

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