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Prepare sunfish 2026.2 - #268

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thomasahle wants to merge 1 commit into
masterfrom
release/2026.2
Closed

Prepare sunfish 2026.2#268
thomasahle wants to merge 1 commit into
masterfrom
release/2026.2

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@thomasahle

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What

Publish the R4 shallow-null improvement that landed immediately after the
v2026.1 tag:

  • bump the package and lockfile version to 2026.2;
  • add concise release notes with the SPRT and independent-match results.

No engine code changes in this PR. The engine change is merged as #265 and is
already deployed to the classic Lichess bot.

Verification

After merge, tools/deploy.sh pypi v2026.2 will verify master CI and push the
immutable tag, triggering the existing PyPI and GitHub release workflow.

@thomasahle

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Closing at the maintainer’s request: keep the release identity at sunfish 2026 and do not publish another tag. #265 remains merged and deployed.

@thomasahle thomasahle closed this Aug 27, 2026
@thomasahle
thomasahle deleted the release/2026.2 branch August 27, 2026 12:08
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