v1.18.9

anomalyco/opencodev1.18.9Jul 28, 2026by opencode-agent[bot]

AI Summary

This release focuses on stabilizing the desktop application by fixing critical crashes and session loading issues, while introducing UI refinements and a new opt-in V2 sidecar.

Key Highlights

Fixed a Solid cleanup crash that could break navigation in the desktop app.
Restored compatibility with legacy MCP SDK clients.
Introduced an opt-in V2 desktop sidecar backed by the bundled CLI service.
Improved home session loading performance.

New Features

Added opt-in V2 desktop sidecar backed by the bundled CLI service.
Added collapsible model provider sections in V2 settings.
Removed extra vertical borders from the V2 home projects view.
Restored compatibility with legacy MCP SDK clients.

Full Release Notes

## Core
### Bugfixes
- Restored compatibility with legacy MCP SDK clients.

## Desktop
### Bugfixes
- Fixed a Solid cleanup crash that could break navigation in the desktop app.
- Fixed home session loading so the session list can update without suspending the whole page.

### Improvements
- Removed the extra vertical borders from the V2 home projects view.
- Added an opt-in V2 desktop sidecar backed by the bundled CLI service.
- Added collapsible model provider sections in V2 settings.

**Thank you to 1 community contributor:**
- @roborew:
  - fix(desktop): patch @dnd-kit/solid to preserve core scroll plugins (#38119)