feat: Support 8 byte colors + non-linearity in hash#466
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🤖 I have created a release *beep* *boop* --- <details><summary>launchdarkly-observability-android: 0.38.0</summary> ## [0.38.0](launchdarkly-observability-android-0.37.0...launchdarkly-observability-android-0.38.0) (2026-04-13) ### Features * Support 8 byte colors + non-linearity in hash ([#466](#466)) ([934d09a](934d09a)) </details> --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). <!-- CURSOR_SUMMARY --> --- > [!NOTE] > **Low Risk** > Low risk release bookkeeping only: version bumps and changelog updates with no functional code changes in this diff. > > **Overview** > Bumps `sdk/@launchdarkly/observability-android` from `0.37.0` to `0.38.0` in the release manifest and Android `gradle.properties`. > > Updates the Android package changelog to include the `0.38.0` release notes (support for 8-byte colors and non-linearity in hashing). > > <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit c8eaf8f. Bugbot is set up for automated code reviews on this repo. Configure [here](https://www.cursor.com/dashboard/bugbot).</sup> <!-- /CURSOR_SUMMARY -->
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Medium Risk
Moderate risk because
TileSignatureManagernow returnsnullwhen the JNI library isn’t present, which can disable tiled diffing/session replay in environments withoutsession_replay_c. Also adjusts keyframe selection logic forOverlayTiles, which could affect replay fidelity/size.Overview
Session replay tile hashing is now native-only.
TileSignatureManagerdrops the Kotlin fallback/overloads and returnsnullunless thesession_replay_cJNI library is available.Tiled diff keyframe selection is adjusted.
TileDiffManagerchangesOverlayTileslogic to treatlayers <= 0as always-keyframe and to prioritize periodic keyframes before falling back to “whole-screen diff” detection.Benchmark and parity test code removed from the e2e app. Deletes the Compose
BenchmarkActivity/executor/assets, removes its launcher UI/manifest entry, removes the benchmark serialization dependency, and deletes an Android instrumentation test that validated native/Kotlin hash parity.Reviewed by Cursor Bugbot for commit 9ee51d2. Bugbot is set up for automated code reviews on this repo. Configure here.