The JetBrains Blog

JetBrains has long supported the International Collegiate Programming Contest (ICPC), one of the world's most respected competitive programming contests. Since 2017, we’ve been the ICPC Global Programming Tools Sponsor, providing professional IDEs such as IntelliJ IDEA, PyCharm, and CLion, along wit…

Take a first look at true multithreading in Python 3.13 with the no-GIL option. Learn why it matters and compare performance with and without the GIL (Global Interpreter Lock).

Join the global Shipaton 2025 hackathon — build with Compose Multiplatform and Junie, and compete for over $300,000 in cash prizes.

I was testing my agent built on Koog, JetBrains' open-source framework for building AI agents in Kotlin. I fed it a task from SWE-bench-Verified, a real-world GitHub issue that tests whether AI can actually write code. For the first 100 messages, everything looked promising. The agent methodicall…

Mainmatter's Luca Palmieri's 100 Exercises to Learn Rust have helped thousands of developers deepen their Rust skills. Now this outstanding course is available right inside RustRover, JetBrains’ powerful Rust IDE!

Discover how GoLand’s interprocedural code analysis helps you catch tricky nil pointer dereference bugs early, making your code more reliable and production-ready.

Our goal is to make remote development with JetBrains IDEs feel just as reliable and consistent as working locally does. Recently, we’ve made progress towards this goal in core areas like the editor, tool windows, plugin behavior, and settings synchronization.  Editor All the changes …

We're making some changes to our .NET tools, and we want to give you an overview of what's happening and the reasons behind the changes. Some features you might be using are being discontinued or transformed, while others are getting significant refinements. We believe that these changes will allow …

The ReSharper and .NET tools 2025.2 Release Candidates are ready for you to try. This release introduces the public preview of ReSharper’s Out-of-Process mode, adds support for the latest C# 14 and C++26 features, and brings a range of improvements for performance, refactorings, and inspections. …

Rider 2025.2 is shaping up to be a big release – especially if you’re a game developer. This update introduces powerful new debugging features for Unity, Unreal Engine, and Godot, including source-level shader debugging, mixed-mode debugging for native and managed code, and stepping time improvement…

We’re excited to announce the launch of TeamCity 2025.07! This release brings a range of improvements across the UI, Perforce integration, recipes, and more. It is also the first version to include pipelines: a reimagined TeamCity experience that focuses on a healthy balance of functionality and…