JetBrains BlogTools
What’s fixed in IntelliJ IDEA 2026.3

Welcome to an overview of the most important fixes and usability improvements in IntelliJ IDEA 2026.3. IntelliJ IDEA 2026.3 ships over 1,000 bug fixes and over 300 performance fixes .
Read at JetBrains Blog ↗More from JetBrains Blog on Accept All

ToolsHow to Use AI for Rust Development: Lessons From an OpenAI Engineer JetBrains Blog

ToolsThe User Group Support Program Is Becoming the Developer Communities Program JetBrains Blog

ToolsUse Your GitHub Copilot Plan in JetBrains Air – in Your IDE and in the Cloud JetBrains Blog

ToolsWhere Did the Saved Bytes Go? Compact Object Headers in IntelliJ IDEA JetBrains Blog
