OpenCode v1.15.11

OpenCode v1.15.11 was released on .

Summary

Core Improvements - Added headerTimeout config for provider requests, with a 10s default for default OpenAI setups. - Experimental background agents now push updates without polling. - You can now...

Release Context

  • This was the 135th OpenCode release of 2026 tracked by Havoptic.
  • It shipped 4 days after OpenCode v1.15.10 (May 23, 2026).

Shipped around the same time

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Release Notes

Core Improvements - Added headerTimeout config for provider requests, with a 10s default for default OpenAI setups. - Experimental background agents now push updates without polling. - You can now set only modalities.input or modalities.output in config. (@robposch) - Remote-backed projects now resolve a stable project identity. Bugfixes - Dynamically added MCP servers now disconnect cleanly when removed. - DigitalOcean inference now uses your OAuth token directly instead of creating a MAK. (@Spherrrical) - Config loading now falls back cleanly when user info is unavailable. - Fixed Google tool calling after the upstream tool ID regression. - Experimental flags can now override the umbrella experimental flag. - Resumed sessions no longer continue orphaned interrupted tools. (@edevil) - OpenAI reasoning summaries now render as separate blocks. - Updated Google Vertex support for reasoning signatures. - The shell tool now advertises your configured timeout to the model. TUI Improvements - Made the prompt resize with terminal width and added prompt size config. (@bjschafer) Bugfixes - Accelerated diff viewer scrolling. - External editors now open from the worktree directory when available. Desktop Improvements - Refined the Desktop v2 home screen, prompt, status popover, and session controls. Bugfixes - Fixed V2 titlebar errors when a session sync cache was deleted. (@Eric-Guo) - Web deployments no longer run desktop health checks. - Duplicate server connections are now merged in the server list. - Stabilized virtualized session timeline interactions. - Fixed the white flash when restoring the desktop window. Extensions Improvements - Added a dispose hook for plugins. Bugfixes - Fixed Codex plugin requests to send the expected session ID header. Thank you to 7 community contributors: - @jerome-benoit: - fix(nix): re-inherit patches in desktop, ad-hoc sign .app on darwin (27869) - @edevil: - fix(session): exclude orphaned interrupted tools from run-loop continuation (26178) - @bjschafer: - feat(tui): make prompt size responsive and configurable (28255) - @robposch: - tweak (config): make modalities input/output fields optional so that u can specify one without both being required (29268) - @Eric-Guo: - fix(app): handle deleted session sync cache in V2 titlebar (29328) - @StarpTech: - docs(web): update LSP docs wording (29435) - docs: add tip to lsp section (29444) - @Spherrrical: - fix(digitalocean): use OAuth token directly for inference instead of creating MAK (28897)

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