The JetBrains Blog

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.

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…

Bring Your Own Key (BYOK) is now available in the AI chat inside JetBrains IDEs as well as for AI agents, including JetBrains’ Junie and Claude Agent. Whether you’re looking to use cutting-edge frontier models, cost-efficient small models, locally hosted private models, or experimental research prev…

IntelliJ IDEA 2025.3.1 is out with a number of useful fixes. You can update to this version from inside the IDE, using the Toolbox App, or using snaps if you are a Ubuntu user. You can also download it from our website. The latest update brings the following improvements: The IDE once agai…

A complete guide to adopting Kotlin step by step, from the initial tests to full-scale rollout. One file you can share with any engineer or manager.

Here’s our annual roundup of JetBrains Academy courses – the favorites you loved this year and the new courses launched in 2025.

Every untested component and ill-specified feature becomes louder when AI enters the mix.

MPS 2025.3 introduces a major overhaul of the JavaDoc language, significant changes to generator plans, and a major update to the reflective editor. It also enables keyboard actions in the Logical view and allows TextIcon to offer visually distinct variants for light and dark themes. DOWNLOAD MPS 20…

At KotlinConf'25, global brands like Meta, AWS, Duolingo, and Uber shared real-world engineering stories.