Update this repository to support a new IntelliJ IDEA or platform release. Use this whenever the user asks to add support for a newer IDE version, bump the IntelliJ target, update plugin compatibility metadata, or prepare the repo for a new IntelliJ release. Also use it when the work likely involves `platformVersion`, `pluginSinceBuild`, `CHANGELOG.md`, release steps, or IntelliJ Platform Gradle plugin upgrades.
2026-04-07