ZV-2026-2005 · 2026-10-09 · learn.microsoft.com
learn.microsoft.com: Type of language on microsoft_code_sample_search changed string|null → string.
breaking
What changed
Type of language on microsoft_code_sample_search changed string|null → string. Type of query on microsoft_docs_search changed string|null → string.
What to do
If your agents call learn.microsoft.com, pin the new snapshot, patch the affected call sites, and let a green contract check confirm the fix. If you don't use the changed tools, nothing is required, but the rest of the ecosystem just learned about it at the same moment you did.
The redline
− string|null + string microsoft_code_sample_search − string|null + string microsoft_docs_search