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AI SDK fixes Gemini 3.7 Flash as chat and Eve harden core flows
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Gemini 3.7 Flash just broke for minimal reasoning, and the fix that landed overnight says more about the AI SDK's trajectory than any feature release.
The AI SDK fixed a production blocker where Gemini 3.7 Flash rejected 'minimal' and 'none' reasoning values with HTTP 400, forcing the provider to use 'low' instead [1]. That landed in a flurry of patches, including WorkflowAgent surfacing model stream errors without retries [2] and finally making maxRetries control model-call attempts [3]. Meanwhile, Eve reworked onboarding reliability with unified project discovery [5] and safe agent directory initialization [6], while making glob and grep tools opt-in to slim the default model-facing toolkit [4]. Next.js shipped canary 16.3.1-canary.22 with a 32-bit usize fix and test fixture restorations, but the real story is a CI fix ensuring canary releases no longer lag stable after backports [7]. Chat tightened attachment downloads to Google's media API, dropping the unsupported downloadUri fallback [8], and isolated queue dispatch by thread to prevent cross-thread state bleed [9]. The twilio adapter also patched a credentials leak to untrusted media origins [10].
Action items
- → Upgrade @ai-sdk/google to the release containing the Gemini 3.7 Flash reasoning fix vercel/ai [immediate]
- → Review WorkflowAgent maxRetries and error handling for model call retries vercel/ai [plan]
- → Update chat adapter to 4.38.1 to patch the credential leak and media download path vercel/chat [immediate]
- → Monitor Eve onboarding changes before adopting new init and discovery behavior vercel/eve [monitor]
References
- [1] fix: prevent Gemini 3.7 Flash errors for minimal reasoning (#18989) ↗ vercel/ai
- [2] fix: surface WorkflowAgent model stream error values without durable-step retries or duplicate callbacks ↗ vercel/ai
- [3] fix: make WorkflowAgent maxRetries control model-call attempts ↗ vercel/ai
- [4] Make glob and grep tools opt-in ↗ vercel/eve
- [5] fix(eve): unify project discovery behavior across CLI ↗ vercel/eve
- [6] fix(eve): safely initialize agent directories ↗ vercel/eve
- [7] [ci] Fix backport canary release dispatch (#97383) ↗ vercel/next.js
- [8] fix(gchat): use media api for attachment downloads (#830) ↗ vercel/chat
- [9] fix(chat): isolate channel-scoped queue dispatch by thread ↗ vercel/chat
- [10] @chat-adapter/twilio@4.38.1 ↗ vercel/chat
