If you're interested in trying out JetBrains IntelliJ IDEA Ultimate v2023.3.1 -x64, you can download a free 30-day trial from the JetBrains website. This will give you ample time to explore the IDE's features and determine whether it's the right fit for your development needs.

The 2023.3.1 update serves as a hotfix to stabilize the primary 2023.3 features: The JetBrains Blog AI Assistant Stability

: Initial support for the Azure infrastructure-as-code language, including code highlighting and completion. You can download this version directly from the JetBrains Website or via the Toolbox App The JetBrains Blog capabilities or specific refactoring tools included in this version? What's New in IntelliJ IDEA - 2023.3 - JetBrains

: A new debugger option to execute code up to a specific line by clicking an inlay icon next to the code. Floating Toolbar : Provides quick access to editing actions like next to selected code fragments. Language Support

| Operation | Time / Resource | |-----------|----------------| | Cold start (with 6 projects) | ~18 sec | | Re-indexing medium project (50k files) | ~25 sec | | Memory idle (no project) | ~650 MB | | Memory during heavy refactor | ~2.8 GB | | CPU usage (background tasks) | 5–15% |

: Bundled support for new Kotlin versions (no separate plugin update needed) and a new Kotlin Multiplatform (KMP) : Introduction of the X-Ray feature to toggle inlay hints and improved Scala 3 enum support. Enterprise & Frameworks (Ultimate Exclusive) Kubernetes