OpenCode v1.15.12
OpenCode v1.15.12 was released on .
Summary
Core Improvements - ACP integrations can now send prompts, slash commands, and usage updates through acp-next - Added WebSocket transport for OpenAI responses on supported channels (set OPENCODEEXP...
Release Context
- This was the 136th OpenCode release of 2026 tracked by Havoptic.
- It shipped 2 days after OpenCode v1.15.11 (May 27, 2026).
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- Claude Code v2.1.159 (May 31, 2026)
- Grok Build v0.2.16 (May 31, 2026)
- Grok Build v0.2.15 (May 31, 2026)
- Claude Code v2.1.158 (May 30, 2026)
- Grok Build v0.2.14 (May 30, 2026)
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- OpenCode vs GitHub Copilot CLI
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- OpenCode vs Devin
- OpenCode vs Lovable
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- OpenCode vs GitHub Copilot in VS Code
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Release Notes
Core Improvements - ACP integrations can now send prompts, slash commands, and usage updates through acp-next - Added WebSocket transport for OpenAI responses on supported channels (set OPENCODEEXPERIMENTALWEBSOCKETS=true) Bugfixes - Enabled adaptive reasoning controls for Anthropic Opus 4.7+ models - Allowed colons in passwords (@neriousy) - Sped up warm acp-next model and config switches - Improved first-session acp-next startup time - Kept OpenAI WebSocket response timeouts active - Retried failed OpenAI WebSocket streams before falling back - Handled acp-next permission prompts correctly - Used the persisted session directory for existing-session requests - Forwarded remote workspace request bodies correctly - Supported custom base URLs for OpenAI WebSocket responses (@Tarquinen) TUI Improvements - Added a workspace management dialog Bugfixes - Kept session navigation working while prompt modes are open - Restored the thinking spinner - Surfaced subagent retry status - Fixed opening editors from non-Git project paths (@OpeOginni) Desktop Improvements - Added a setting to switch tab layouts Bugfixes - Improved the home empty state and fixed V2 font usage - Fixed tab close buttons not showing reliably Thank you to 5 community contributors: - @OpeOginni: - fix(tui): handle non-git project paths when opening editor (29180) - @gotjoshua: - docs: fix ts error in math examples (18244) - @Tarquinen: - fix(openai): support websocket custom base URLs (29636) - @24KaratAu: - docs: fix grammar in config.mdx (29683) - @neriousy: - fix(core): allow colons inside passwords (29576)
Other Recent OpenCode Releases
- v1.19.3 (October 16, 2026)
- v1.19.2 (October 16, 2026)
- v1.19.1 (October 15, 2026)
- v1.19.0 (October 11, 2026)
- v1.18.35 (October 6, 2026)
Upgrading from v1.15.12? See all 64 releases since.
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