feat: remove kotlin#353
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abelonogov-ld merged 2 commits intomainfrom Apr 29, 2026
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I was on the fence about whether this should count as a breaking change, but I'm thinking it's not. The Kotlin<->Java bridging should paper over the difference.
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🤖 I have created a release *beep* *boop* --- ## [5.12.0](5.11.2...5.12.0) (2026-04-29) ### Features * remove kotlin ([#353](#353)) ([5e332a8](5e332a8)) --- 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** > Release-only changes (version bumps and changelog updates) with no functional code modifications in this diff. > > **Overview** > Updates the release metadata to publish version **5.12.0** by bumping the version in `.release-please-manifest.json` and `gradle.properties`. > > Adds a new `CHANGELOG.md` entry for `5.12.0`, noting the feature "remove kotlin" (per #353). > > <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit 204e908. Bugbot is set up for automated code reviews on this repo. Configure [here](https://www.cursor.com/dashboard/bugbot).</sup> <!-- /CURSOR_SUMMARY --> Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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Requirements
Whole SDK had only one Kotlin file and too high verison of Kotlin was set, 2.2.0 which is above average of the market.
Rewriting one class to Java. It should make Android SDK lighter 1.5MB especially for Pure Java projects
Note
Medium Risk
Build/tooling changes across multiple modules can break CI or consumer builds if any remaining Kotlin usage or plugin assumptions exist. The Java rewrite is straightforward but could subtly change equality/toString behavior for callers.
Overview
Removes Kotlin from the build by dropping the Kotlin Gradle plugin/version configuration, removing
org.jetbrains.kotlin.androidfrom modules, and deleting the rootKotlinCompile/JvmTargettask configuration.Replaces the lone Kotlin source (
RegistrationCompleteResult.kt) with an equivalent Java implementation (RegistrationCompleteResult.java) to keep the plugin-registration result API available without requiring Kotlin.Reviewed by Cursor Bugbot for commit 35ca1d5. Bugbot is set up for automated code reviews on this repo. Configure here.