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feat: resolve stable file format to 2.2 - #8657

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xuanwo/lance-2-2-stable
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feat: resolve stable file format to 2.2#8657
Xuanwo wants to merge 4 commits into
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xuanwo/lance-2-2-stable

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@Xuanwo

@Xuanwo Xuanwo commented Aug 20, 2026

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Lance 2.2 is the current stable file format, but the centralized release policy and enum default still resolve new datasets to 2.1. As a result, the stable selector and default writes lag behind the intended stable format.

Resolve both paths to 2.2 and align the Java integration expectations. Lance 2.3 remains the next unstable format.

@github-actions github-actions Bot added A-java Java bindings + JNI A-encoding Encoding, IO, file reader/writer bug Something isn't working labels Aug 20, 2026
@Xuanwo Xuanwo changed the title fix: resolve stable file format to 2.2 feat: resolve stable file format to 2.2 Aug 20, 2026
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Xuanwo marked this pull request as ready for review August 20, 2026 09:26
@github-actions github-actions Bot added the enhancement New feature or request label Aug 20, 2026
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@lance-gatekeeper lance-gatekeeper Bot added the K-changes Latest Gatekeeper recommendation requests changes. label Aug 20, 2026
@github-actions github-actions Bot added the A-python Python bindings label Aug 20, 2026
@lance-gatekeeper lance-gatekeeper Bot removed the K-changes Latest Gatekeeper recommendation requests changes. label Aug 20, 2026

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Gate recommendation: approve.

The 2.2 stable/default promotion is now consistent across selector resolution, Java file metadata, and the updated fixtures. The earlier mixed-version Java merge failure is fixed, while legacy blob tests remain explicitly bound to 2.1 as required by the documented format contract.

@lance-gatekeeper lance-gatekeeper Bot added the K-approved Latest Gatekeeper recommendation permits acceptance. label Aug 21, 2026
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✅ All modified and coverable lines are covered by tests.

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A-encoding Encoding, IO, file reader/writer A-java Java bindings + JNI A-python Python bindings bug Something isn't working enhancement New feature or request K-approved Latest Gatekeeper recommendation permits acceptance.

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