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fix: update WASM bucketing lib to 1.43.0 - #118

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jonathannorris merged 1 commit into
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chore/update-wasm-bucketing-1.43.0
Oct 8, 2026
Merged

jonathannorris merged 1 commit into
mainfrom
chore/update-wasm-bucketing-1.43.0

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Summary

  • Bumps the @devcycle/bucketing-assembly-script WASM from 1.42.1 to 1.43.0 and updates the bundled wasm and update_wasm_lib.sh.
  • Fixes linear gradual rollouts, which calculated the rollout percentage as n * t instead of c + (n - c) * t. Rollouts with a non-zero start percentage ramped up from 0, and rollbacks to 0% dropped straight to 0.
  • Also fixes the first ms of a linear stage returning 0 instead of the current stage percentage.

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@jonathannorris
jonathannorris marked this pull request as ready for review October 8, 2026 16:45
@jonathannorris
jonathannorris requested a review from a team as a code owner October 8, 2026 16:45
Copilot AI balanced review requested due to automatic review settings October 8, 2026 16:45

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🟡 Changes recommended

The bundled WASM artifact remains unchanged, so SDK users would still execute the old rollout logic.

1 open finding
What changed in this PR

Updates the WASM download script to target bucketing library 1.43.0, intended to fix linear rollout interpolation.

Changes:

  • Changes the default bucketing library version from 1.42.1 to 1.43.0.
File Description
update_wasm_lib.sh Updates the WASM download version.

🧠 Review effort: Balanced


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Comment thread update_wasm_lib.sh
@jonathannorris
jonathannorris merged commit c8c3ba4 into main Oct 8, 2026
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@jonathannorris
jonathannorris deleted the chore/update-wasm-bucketing-1.43.0 branch October 8, 2026 17:56
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3 participants