#background-agents
- OpenAI Launches ChatGPT Work and Unifies Codex Into Desktop App OpenAI tools
- Anthropic launches Claude Duet, a proactive agent app on Opus 5.5 Anthropic tools
- Claude Code v2.1.143: Plugin Dependency Enforcement, Cost Estimates, and Background Stability Anthropic tools
- Claude Code v2.1.198: Claude in Chrome GA and Background Agent Auto-PRs Anthropic tools
- Claude Code v2.1.200: Manual Permission Mode Becomes Default Anthropic tools
- OpenCode v1.15.0: Effect-Based Event System and Background Subagents SST tools
- OpenCode v1.15.1: Collapsible Thinking View and Pinned Sessions SST tools
- Claude Code v2.1.203–v2.1.204: background session fixes and hook streaming repair Anthropic tools
- Claude Code v2.1.205: Transcript-Tampering Guard and Session Reliability Fixes Anthropic tools