What’s fixed in IntelliJ IDEA 2026.1 | The IntelliJ IDEA Blog

IntelliJ IDEA 2026.1 introduces a range of enhancements and fixes, addressing over 1,000 bugs and usability issues, with significant improvements in performance, terminal usability, and JVM language support. The update focuses on boosting application reliability by tackling UI freezes and optimizing operations through automatic error reporting. Terminal enhancements streamline workflows involving CLI-based AI agents, while Kotlin and Scala support see advancements in bean registration and code highlighting, respectively. The user interface now offers synchronized theme settings for Linux, OpenType stylistic sets, and improved accessibility for Windows users. Version control improvements include streamlined commit amendments, automated fetching of Git changes, and enhanced support for GitLab merge requests. Database functionalities see improved Explain Plan workflows, while JetBrains introduces the lightweight jetbrainsd service for handling protocol links. As IntelliJ IDEA sunsets the Code With Me feature, it becomes available as a separate plugin, and organizations gain new AI management tools via the JetBrains Console, offering insights into AI usage and adoption within teams.