The JetBrains Blog

Meet Cloud9 JetStream: a custom theme for JetBrains IDEs inspired by Cloud9’s visual identity, built for fans and everyday coding.

At KotlinConf’26, the JetBrains team and industry partners shared how Kotlin continues to evolve for developers at every scale.

Starting with Kotlin 2.4, the Kotlin standard library now includes an 18-month security support policy, with security fixes backported across active release lines.

On Global Accessibility Awareness Day, we’re sharing recent improvements and what’s next for assistive technologies, navigation, and non-visual feedback.

A JetBrains Research study analyzing 28M development cycles found Kotlin cycles were about 15%–20% shorter than Java cycles on comparable work.

Starting with v2026.1.2, CLion includes the SARIF Viewer, available out of the box. This is especially useful for embedded and automotive teams, for whom external static analysis is often part of the compliance toolchain. If you use tools that produce SARIF reports – such as Parasoft C/C++test, Clan…

We’re trying to determine how well AI tools actually work with Kotlin. Take our 10-minute survey for a chance to win USD 50 Amazon Gift Card or six-month JetBrains All Products Pack subscription.

Kotlin is introducing new destructuring syntax. See what changes, why it matters, and how migration will work.

TeamCity 2026.1 is here! CI, CLI, AI, and much more. Read on to learn what's new.

Summary A high-severity post-authentication security vulnerability has been identified in TeamCity On-Premises and assigned the CVE identifier CVE-2026-44413. It may allow any authenticated user to expose some parts of the TeamCity server API to unauthorized users. It affects all TeamCity …

The Kotlin Foundation launched a mentorship program that paired experienced open-source maintainers with new Kotlin contributors to help them make their first meaningful contributions, with branded swag and a chance to win a trip to KotlinConf.

Explore key highlights from Python Unplugged on PyTV, our first fully online Python community conference, including talks on AI, open source, Django, and more.