SDK compat break: Microsoft.Azure.Cosmos 3.58.0 (latest-stable-windows)

[github-actions]

SDK Compatibility Break Detected

The scheduled SDK compatibility check failed against Microsoft.Azure.Cosmos v3.58.0 on latest-stable-windows.

Action Items

1. Review the CI run to identify which tests failed
2. Determine urgency:
   • latest-stable: Users may already be affected — high priority
   • latest-preview: We have time before this hits users — medium priority
3. Fix the incompatibility and add regression tests
4. Update MaxTestedSdkVersion in FakeCosmosHandler.cs
5. If the fix requires a strategy override, document it in the wiki

Fragile Areas to Check

• Query plan format (DefaultQueryPlanStrategy)
• ORDER BY / GROUP BY response wrapping
• HybridRow batch schemas (DefaultBatchSchemaStrategy)
• Continuation token format
• New x-ms-* headers (check UnrecognisedHeaders)

[lemonlion]

Investigated the CI run. The latest-stable-windows job (3.58.0) failed with "Process completed with exit code 1" but produced no TRX test result files, indicating the failure was in the build/setup phase rather than actual test failures.

The project already references Microsoft.Azure.Cosmos 3.58.0 and MaxTestedSdkVersion is set to 3.58.0. The project builds and all tests pass successfully on Windows locally:

• Unit tests: 7689 passed (net8.0)
• Integration tests: 287 passed (net8.0)

The original CI run was against commit 553ba04 from April 20. Since then, multiple bug fixes have been applied (v4.0.9 through v4.0.14). The failure was likely caused by one of those since-fixed bugs, or a transient Windows runner issue.

Closing as resolved — the project is fully compatible with 3.58.0.