OpenCode v1.14.51: Background Subagents & Azure GPT-5.5 Fix

TL;DR

• Experimental background subagents let tasks run while you keep working
• Fixed Azure gpt-5.5 completions API requests and session message handling
• LiteLLM now requires v1.85.0-rc.2+ for GPT-5 and tool-call behavior

New

• Background subagents — experimental feature lets long-running tasks execute in the background while you continue working in the editor
• NVIDIA endpoints billing header — added required origin header for NVIDIA provider compatibility
• MCP connection status — desktop app now shows client registration and authentication status with direct re-auth flows

Fixed

• Worktree creation requests that omitted the POST body
• Sessions getting stuck with interrupted assistant messages after cancellation
• Repeated auto-compaction in sessions after message reordering
• Truncated shell output streams not closing cleanly
• Azure gpt-5.5 requests through the completions API
• Automatic image resizing for oversized attachments
• Text selection being lost when clicking question prompt options in TUI
• Windows app detection by correctly reading where output
• DigitalOcean OAuth now requests only GenAI scopes

Breaking Changes

• LiteLLM compatibility now requires v1.85.0-rc.2 or later for current GPT-5 and tool-call behavior — update your LiteLLM dependency

Update: npm install opencode@1.14.51 or check the release page for your platform.

Source: OpenCode