The JetBrains Blog

Rider 2026.2.3 brings AI performance analysis to the Monitoring tool window and fixes an issue with the AI Agent Setup widget on Windows. You can update directly from the IDE, through the Toolbox App, or by downloading the latest version from our website. AI performance insights from the Monito…

A year ago, we introduced the first wave of PhpStorm’s open-source sponsorships. We truly believe in the power of open source and the importance of it to the PHP community, and so we want to do our bit, too.  Each year, we pick five open-source projects to sponsor for a whole year. Our goal …

In this article, we share how we approached designing and building the new TeamCity integration for Kotlin Multiplatform.

What happens before an engineer gets paged? Prasun Kumar of Oppex AI on the “chaos monkey” that trains his agents and 25 years with IntelliJ IDEA.

100 Exercises to Learn Rust is our adaptation of Mainmatter's course of the same name and it has just received its biggest update!

Code quality is shaped by countless decisions, from how developers manage complexity to how quickly they detect regressions. But common concepts such as technical debt, cognitive complexity and unit testing are not always clearly understood. In a new code quality Q&A session, we asked members…

AI can produce code. Organizations still have to produce software. Agentic development is changing how software gets made, but it hasn’t changed what it costs to be wrong. Six months ago, we began publicly experimenting with agentic development environments. Around the same time, we introduced Je…

No need to chase every AI update. JetBrains' AIDEs Framework covers the levels of AI delegation and where AI development tools are actually headed.

We want local coding agents to be smart and fast, with the ability to understand a codebase, do useful work, and finish tasks without long waits. This Junie Local update makes it practical to use a more capable model on your own machine. In the first release, we had to choose between two versions of…

Let Junie test a feature in your app, watch it work, and review the video, screenshots, and HTML report.

Ktor 3.6.0 is here! This release brings typed authentication, OpenID Connect, HTTP/3 for Netty, and simpler Kotlin Multiplatform clients.