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LangChain adds async OpenAI tools; OpenHands fixes flaky CI
By RepoJournal · Filed · About AI Agents
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LangChain core 1.6.2 and new OpenAI async tool support land alongside OpenHands fixes for a flaky test suite and broken branch URLs.
LangChain released langchain-core 1.6.2 [1], which includes a new feature: async tool support for OpenAI [2]. This lets developers call tools asynchronously, improving performance in concurrent or event-driven applications. The release also bumps mistune to 3.3.3 and tornado to 6.5.8 in libs/core [1]. Additionally, OpenAI integration gains support for `configuration_update` [3], allowing reasoning effort changes mid-conversation, as documented by OpenAI.
OpenHands fixed an intermittent CI failure where tests passed but exit code was 1 due to an unhandled rejection of ProgressEvent after jsdom teardown [4]. The fix keeps ProgressEvent resolvable, stabilizing the test-and-build pipeline. Separately, OpenHands now percent-encodes branch names in provider branch URLs [5], fixing broken links for branches containing special characters like '#' (e.g., feature/ui#123). The UI also displays message timestamps on hover or keyboard focus [6].
Cline fixed a bug where apply_patch's Add File operation silently overwrote existing files [7]. The guard intended to throw 'Add File Error: File already exists' was dead code because ADD targets were never loaded into the map. Now loadFiles includes ADD targets, so the guard fires correctly. This prevents accidental data loss during patching. Also, the model picker search now keeps section headers visible [8], clarifying which tier a model belongs to when duplicate names appear.
Action items
- → Update langchain-core to 1.6.2 to get async tool support and security bumps langchain-ai/langchain [plan]
- → Review the progress event fix in OpenHands before your next deploy OpenHands/OpenHands [plan]
- → If you use apply_patch in Cline, verify behavior after the fix to avoid overwrites cline/cline [monitor]
References
- [1] langchain-core==1.6.2 ↗ langchain-ai/langchain
- [2] feat(openai): support async tools ↗ langchain-ai/langchain
- [3] feat(openai): support `configuration_update` ↗ langchain-ai/langchain
- [4] fix(test): keep ProgressEvent resolvable after jsdom teardown ↗ OpenHands/OpenHands
- [5] fix(utils): percent-encode branch names in provider branch URLs ↗ OpenHands/OpenHands
- [6] feat: display message timestamps on hover ↗ OpenHands/OpenHands
- [7] fix(core): make apply_patch Add File refuse to overwrite existing files ↗ cline/cline
- [8] ui: keep section headers visible while searching in model picker ↗ cline/cline
