Summary
The release adds a wait_background_agents join tool, native Anthropic compaction, OpenAI Responses options, Gemini embeddings and URL Context, and a shared WebAssembly runtime. It also fixes token-budget enforcement, stream handling, WebSocket concurrency and per-call cost telemetry.
Why it matters
Coding-agent runtimes are gaining the coordination, portability and accounting controls needed for longer-running software tasks.
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