The JetBrains Blog

Happy New Year and welcome to the first Java Annotated Monthly of 2026! We hope this year brings fresh ideas, smarter ways to stay productive, and innovation that lasts.

Did you know? In C# default interface methods allow you to include a method implementation directly in an interface. Welcome to dotInsights by JetBrains! This newsletter is the home for recent .NET and software development related information. 🔗 Links Here’s the latest from the develope…

We introduced TeamCity Pipelines in March 2024 to make CI/CD setup simpler and more intuitive, without limiting what teams can build and automate. Pipelines brought a new workflow focused on a more guided configuration experience, including a visual editor with drag-and-drop dependencies, YAML for d…

Ruby marks its 30th anniversary alongside the release of Ruby 4.0!

In our recent livestream, Vitaly Bragilevsky sat down with Rust expert and educator Herbert Wolverson (Ardan Labs) to talk about everything Rust developers are curious about.

If you’ve been keeping up with Java virtual threads, you already know that this hot new feature significantly improves hardware utilization for parallel I/O-bound operations. Virtual threads map multiple concurrent I/O operations to a single OS thread without blocking. The novel aspect of this appr…

Thank you to everyone who joined Advent of Code 2025 in Rust! It was inspiring to see many Rustaceans solving algorithmic puzzles, and celebrating the holiday coding season with the community.

This is the second guest post in a two-part series from José Luis González. José Luis has a PhD in software development and is a JetBrains-certified Kotlin Trainer, who works with developers and engineering teams to deepen their Kotlin skills and apply the language effectively in real projects. At Hyperskill, he runs Kotlin instructor-led training for teams at Hyperskill that focus on advanced topics and practical problem-solving rather than theory.

Qodana 2025.3 delivers important new capabilities that help teams standardize their development practices, improve compliance, make audits easier, and simplify large-scale code analysis.  From introducing Global Project Configuration, a major step toward scalable, centralized policy manageme…

This article was brought to you by Kumar Harsh, draft.dev. Docker has changed the way we build and ship software. Instead of wrestling with "it works on my machine" issues, developers can now package applications and all their dependencies into a neat, portable container that runs anywhere. No wo…

Since the 2025.3 release, we’ve published several rapid-response updates (2025.3.0.1–2025.3.0.4) for ReSharper and Rider to address the most urgent issues as quickly as possible. The 2025.3.1 update brings all of those fixes together and includes additional improvements that required more time to im…

The next edit suggestions feature is now enabled in all JetBrains IDEs for JetBrains AI Pro, AI Ultimate, and AI Enterprise subscribers. Yes, you read that right! JetBrains-native diff suggestions are available right in your editor. Global support for optimized latency. Out-of-the-box IDE actions…