Google Summer of Code 2025: What Our Contributors Built | The Kotlin Blog

Google Summer of Code (GSoC) 2025 showcased a variety of impactful projects from contributors who enhanced the Kotlin ecosystem, thanks to guidance from mentors at prominent organizations such as JetBrains, Gradle, and Google. Participants developed tools and plugins that improved Gradle's performance, integrated Kotlin's code quality reporting with popular tools, and supported Android and iOS targets in Kotlin Multiplatform. Notable contributions included projects that refined Gradle's reporting and caching capabilities, standardized Jenkins plugin development, and introduced new publishing plugins for Maven Central. These efforts not only streamlined workflows and improved developer experiences but also laid foundations for future advancements in Kotlin tooling. Projects were driven by a collaborative spirit, with contributors gaining invaluable insights into open-source development and mentorship.