What were the notable AI Agents updates?

feat(hub): add drain and upgrade commands with replay support (#13468), feat(core): propagate gateway information on error path, and chore: bump @openhands/extensions to 0.18.0.

AI Agents

LangChain, OpenHands, Cline, and LlamaIndex - agent frameworks and coding agents

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Cline hubs get drain and replay as Langchain plumb gates

By RepoJournal · Filed 07:01 UTC on August 22, 2026 · About AI Agents

11 people shipped this

Bee @abeatrix 2 cited

eyurtsev @eyurtsev 1 cited

langchain-oss-model-profiles @langchain-oss-model-profiles 1 cited

VascoSch92 @VascoSch92 1 cited

Saoud Rizwan @saoudrizwan 1 cited

github-actions[bot] @github-actions[bot]

langchain-oss-model-profiles[bot] @langchain-oss-model-profiles[bot]

hieptl @hieptl

harish-chandramowli @harish-chandramowli

keeltrace @keeltrace

BarreiroT @BarreiroT

Cline just shipped rollover-grade hub commands while Langchain exposes gateway internals, and OpenHands quietly broke its own monitoring contract.

Cline's new drain and upgrade commands complete the live-transport wiring, adding isDraining(), hub.status, and replayEventsAfter() backed by the durable event log [1]. That means you can now upgrade a hub without dropping events or losing the sequence. Meanwhile Langchain's gateway propagation work plumbs gateway metadata through exceptions [2], giving observability tools the context they need on error paths. OpenHands, however, bumped @openhands/extensions to 0.18.0 and warned that two changes "fail quietly rather than loudly" [3], which could bite anyone running github-repo-monitor in production. The release notes explicitly flag this as a contract cross, so treat it as a breaking change in disguise. Cline also fixed Langfuse session telemetry so sessionId and userId now propagate through AI SDK calls [4], closing a gap that was breaking Sessions and Users views. On the model front, Langchain refreshed OpenRouter profiles, adding 5 models like mancer/weaver and mistralai/ministral-8b [5]. Finally, Cline's nightly CI died 20 times in a row because the PublishNightly environment required reviewers, so it's now manual-dispatch only [6]. If you rely on those nightlies, know they won't come unless you trigger them.

Action items

→ Review OpenHands extension consumers for the quiet failure in @openhands/extensions 0.18.0 before upgrading OpenHands/OpenHands [immediate]
→ Evaluate Cline hub drain/upgrade for your deployment to enable zero-downtime rollovers cline/cline [plan]
→ Re-run model profile refresh in Langchain to pick up 5 new OpenRouter models langchain-ai/langchain [monitor]
→ Manually dispatch Cline nightly builds since cron is disabled cline/cline [monitor]

References

[1] feat(hub): add drain and upgrade commands with replay support (#13468) cline/cline
[2] feat(core): propagate gateway information on error path ↗ langchain-ai/langchain
[3] chore: bump @openhands/extensions to 0.18.0 ↗ OpenHands/OpenHands
[4] fix: propagate Langfuse session telemetry ↗ cline/cline
[5] chore(model-profiles): refresh model profile data ↗ langchain-ai/langchain
[6] ci(vscode): make combined nightly manual-dispatch only cline/cline

Quick answers

What shipped in AI Agents on August 22, 2026?: Cline just shipped rollover-grade hub commands while Langchain exposes gateway internals, and OpenHands quietly broke its own monitoring contract. In total, 20 commits, 18 pull requests, and 4 releases landed.
Who contributed to AI Agents on August 22, 2026?: 11 developers shipped this update, including github-actions[bot], eyurtsev, langchain-oss-model-profiles, langchain-oss-model-profiles[bot], VascoSch92, hieptl, harish-chandramowli, and keeltrace, and 3 more.
What were the notable AI Agents updates?: feat(hub): add drain and upgrade commands with replay support (#13468), feat(core): propagate gateway information on error path, and chore: bump @openhands/extensions to 0.18.0.

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Elsewhere on the wire

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