Jetbrains Intellij Idea Ultimate - 2018.3

: Improved support for TypeScript 3.1, including enhanced parameter hints and automated imports.

IntelliJ IDEA Ultimate 2018.3 was a major update released by JetBrains that focused on streamlining the developer workflow through significant UI overhauls and improved tooling for version control and JVM languages. JetBrains IntelliJ IDEA Ultimate 2018.3

: Added the ability to delegate all build and run actions directly to Maven. Reviewer Perspectives : Improved support for TypeScript 3

: Added inspections for "Constant conditions & exceptions" to help delete unreachable switch branches. It also introduced support for Kotlin in Spring MVC model variables. : Improved support for TypeScript 3.1