Jetbrains Intellij Idea Ultimate 2018.3 Apr 2026

: The dialogs were simplified with better autocompletion for templates and a new filters panel that replaced the complex "Edit Variables" form. Language & Framework Support

: 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. : The dialogs were simplified with better autocompletion

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