OpenCode v1.15.9

OpenCode v1.15.9 was released on .

Summary

Core Improvements - Redesigned the diff viewer with a file tree and refreshed layout. Bugfixes - Return to the previous screen when closing the diff viewer. - Show clearer errors when a default mod...

Release Context

  • This was the 133rd OpenCode release of 2026 tracked by Havoptic.
  • It shipped 1 day after OpenCode v1.15.7 (May 21, 2026).

Shipped around the same time

Within 3 days of this release, other AI coding tools also shipped:

Compare OpenCode

Release Notes

Core Improvements - Redesigned the diff viewer with a file tree and refreshed layout. Bugfixes - Return to the previous screen when closing the diff viewer. - Show clearer errors when a default model is invalid or unavailable. - Surface missing PTY session errors instead of failing generically. - Improve diff viewer empty states and context handling. - Show clearer errors when a skill invocation fails as expected. - Show clearer errors when an installation upgrade fails. - Show clearer project not found errors from the HTTP API. - Return PTY error bodies from the HTTP API. - Enable the diff viewer by default. - Return MCP server not found errors from the HTTP API. - Let MCP OAuth configs set a callback port and include configured scopes in client metadata. (@sebin) - Use working Vertex Anthropic endpoints for us and eu multi-region setups. (@JPFrancoia) - Return session busy error bodies from the HTTP API. - Preserve native reasoning continuation metadata across turns. TUI Improvements - Copy the current worktree path from the command palette. Bugfixes - Refine diff viewer keyboard shortcuts. - Restore question prompt key handling. - Keep the spinner color aligned with the active agent. (@OpeOginni) Desktop Improvements - Move tab navigation into the title bar and tighten session tab shortcuts. - Show session status in the title bar. Bugfixes - Extract user codes correctly from callback URLs that contain multiple colons. (@OpeOginni) - Debounce VCS refreshes to reduce session page churn. Thank you to 4 community contributors: - @vglafirov: - chore(deps): bump gitlab-ai-provider to 6.7.0 (28218) - @OpeOginni: - fix(opencode): update spinner color logic (28032) - fix(desktop): correct user code extraction when URL contains colons (28837) - @JPFrancoia: - fix(vertex): Vertex (Antropic) provider: use .rep.googleapis.com for continental multi-region endpoints (us, eu) (28347) - @sebin: - fix(mcp): include scope in clientMetadata and add callbackPort option (28810)

View original release

Other Recent OpenCode Releases

Upgrading from v1.15.9? See all 67 releases since.

All OpenCode releases · All AI coding tool releases on Havoptic