Ultimate 2018.3: Jetbrains Intellij Idea

: A new "Diff Preview" was added to the File History tab, allowing users to see code changes without opening a separate dialog.

: Added inspections for "Constant conditions & exceptions" to help delete unreachable switch branches. It also introduced support for Kotlin in Spring MVC model variables. JetBrains IntelliJ IDEA Ultimate 2018.3

: Improved support for TypeScript 3.1, including enhanced parameter hints and automated imports. : A new "Diff Preview" was added to

: Added the ability to delegate all build and run actions directly to Maven. Reviewer Perspectives JetBrains IntelliJ IDEA Ultimate 2018.3

: While highly stable, some users noted it remained resource-heavy compared to lighter editors, though the performance of the new asynchronous project tree helped reduce UI freezes.