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The Wire · Showcase

MULTI-AGENT V2 RESIDENCY LAYER COMPLETE

By RepoJournal · Filed · About OpenAI

Codex shipped the memory management backbone that separates durable agent identity from thread residency, unblocking true concurrent execution counting across the multi-agent stack.

The v2 agent model just matured past the threading bottleneck. After last week's reload-on-delivery change, agents could survive thread unloads; today's LRU paging [1] moves that separation into `ThreadManager` itself, letting the system page out loaded subagents when sessions get crowded without losing logical identity. That foundation enables the concurrency recount [3] shipping in parallel: v2 now counts active non-root turns instead of resident threads, with admission checks that stay synchronous but allow slight overshot on competing checks. The API surface gets sharper too [4]. Renaming `close_agent` to `interrupt_agent` [4] fixes the contract - v2 agents stay reusable after interruption, so the tool name should match what it does: pause the current turn, not destroy the agent. Web search in code mode [2] also lands today, consuming plaintext output from `/v1/alpha/search` and exposing `web.run` to nested JavaScript calls. Finally, the resume path gets fixed [5]: the old logic still eagerly reopened entire descendant trees, which defeats the point of residency management. Interrupted agents that go idle are now eligible for eviction instead of staying pinned.

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Action items

References

  1. [1] feat: add v2 agent residency lru ↗ openai/codex
  2. [2] [codex] Enable standalone web search in code mode ↗ openai/codex
  3. [3] feat: count V2 concurrency by active execution ↗ openai/codex
  4. [4] Rename multi-agent v2 close_agent to interrupt_agent ↗ openai/codex
  5. [5] Avoid reopening v2 descendants on resume ↗ openai/codex

Quick answers

What shipped in OpenAI on June 8, 2026?
Codex shipped the memory management backbone that separates durable agent identity from thread residency, unblocking true concurrent execution counting across the multi-agent stack. In total, 29 commits, 29 pull requests, and 2 releases landed.
Who contributed to OpenAI on June 8, 2026?
2 developers shipped this update, including jif-oai and rka-oai.
What were the notable OpenAI updates?
feat: add v2 agent residency lru, [codex] Enable standalone web search in code mode, and feat: count V2 concurrency by active execution.

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