IntelliJ IDEA 2026.2 Integrates Copilot and Supports TypeScript 7.0
JetBrains has released IntelliJ IDEA 2026.2, which boasts significant updates, including support for upcoming versions of Java, Kotlin, and TypeScript. This new release introduces enhanced features and performance improvements focused on AI-assisted coding, which are essential for modern developers.
Enhanced Language Support
Recently, TypeScript 7.0 was launched, and IntelliJ IDEA 2026.2 is fully capable of harnessing its new features. The latest release utilizes a new compiler and language server written in Go, promising substantial speed enhancements. According to JetBrains, this update has dramatically reduced project load times on the Kibana code base, taking it from approximately twelve seconds to just three.
Alongside TypeScript, IntelliJ also supports Kotlin 2.4 with features like explicit backing fields and context parameters. Furthermore, it is prepared for the soon-to-be-released Java 27, allowing developers to install Early Access builds directly from the environment. This ensures that IntelliJ remains at the forefront of language support for its users.
AI Integration: GitHub Copilot
An exciting feature of IntelliJ IDEA 2026.2 is the native integration of GitHub Copilot, thanks to a collaboration between JetBrains and Microsoft. Developers can now utilize Copilot directly within the IDE for efficient coding assistance. The integration makes it easy to choose Copilot via the Agent Picker in the chat interface, with authentication streamlined through OAuth and a GitHub account. An active GitHub Copilot subscription is required for access.
In addition to Copilot, developers can explore and manage custom agent skills right within IntelliJ. JetBrains has highlighted that several useful skills come pre-installed and are marked within the skills manager. This new feature is a game-changer, helping developers customize their coding experience tailored to individual needs.
Improved Code Completion and User Experience
The AI-based code completion has also seen significant upgrades. Developers now have the option to connect their custom, OpenAI-compatible model providers with the IDE, allowing for even more personalized coding assistance. This flexibility is sure to enhance productivity and streamline the coding process.
Furthermore, JetBrains has also implemented over 1,300 bug fixes and usability improvements in this version. Notably, 140 of these fixes directly address freezes and performance-related issues. Users can find more information about these enhancements in the “What’s New” and “What’s Fixed” blog posts from JetBrains.
Updates for Other JetBrains IDEs
In addition to IntelliJ IDEA, JetBrains is rolling out version 2026.2 for its various specialized development environments. For instance, WebStorm, the IDE for JavaScript and TypeScript, is focusing heavily on the new TypeScript 7.0 capabilities. PhpStorm is also enhancing its features, including accelerating the setup of a PhpStorm-MCP server for terminal AI sessions.
Overall, the updates across JetBrains’ IDEs ensure that developers have access to the latest tools and features, improving overall efficiency and reducing project turnaround times.
Conclusion
The integration of GitHub Copilot and support for TypeScript 7.0 in IntelliJ IDEA 2026.2 marks a notable advancement in the development environment, enriching the developer experience. With robust performance improvements, enhanced language support, and innovative AI features, JetBrains continues to solidify IntelliJ IDEA’s position as a leading IDE in the software development landscape. Whether you’re working with Java, Kotlin, or TypeScript, this latest iteration is equipped to meet the demands of modern programming needs.
