MPS

MPS now uses IntelliJ Platform 2026.1, JDK 25, and Kotlin 2.3. Build Language gains transitive dependencies, migrations are more reproducible, and Java stubs have received a substantial quality update. The bundled Projectional Agent Toolkit plugin enables AI coding agents to read and write MPS model…

Before we finalize the 2026.1 release, we are presenting a release candidate build so you can preview the new features ahead of time. Download MPS 2026.1 Release Candidate now: DOWNLOAD MPS 2026.1 RC 1 The release candidate brings a single, long-awaited feature: MPS is now accessible to AI coding ag…

The MPS 2026.1 Early Access Program (EAP) is kicking off today. Download the first 2026.1 EAP release and give it a try! DOWNLOAD MPS 2026.1 EAP Along with numerous bug fixes, this build introduces several key improvements. Migration to IntelliJ Platform 2026.1, JDK 25, and Kotlin 2.3 This MPS 2026.…

We’ve released updates for multiple major MPS versions that fix several additional issues. Check out all the updates in each particular version below: MPS 2025.2.2 Download MPS 2025.2.2 here. See the full list of fixed issues here. MPS 2025.1.2 Download MPS 2025.1.2 here. See the full list of fixed…

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…

As the last step on our way toward the final release, the Release Candidate for MPS 2025.3 is now available for you to download! DOWNLOAD MPS 2025.3 RC 1 To find out what features to expect in this release, check out the earlier updates from the EAP 1 and EAP 2 builds. The full list of fixed issues…

Starting today, you can download the second EAP release for MPS 2025.3 and try all the latest updates. DOWNLOAD MPS 2025.3 EAP 2 This release includes several noteworthy improvements: JavaDoc language overhaul The JavaDoc language has been completely migrated to use the jetbrains.mps.lang.text langu…

We’re starting the MPS 2025.3 Early Access Program (EAP) today. You can download the first 2025.3 EAP release and try it out now! DOWNLOAD MPS 2025.3 EAP Besides numerous bug fixes, this release brings three major improvements: Light and dark TextIcon options TextIcon’s layers can now be configured …

We’ve released updates for multiple major MPS versions that fix several additional issues. The two most notable improvements that these releases bring are: MPS-38681 – Invisible references can now be excluded from usage highlighting. MPS-36481 – The <generate> task in Ant now recognizes …

MPS 2025.2 brings quality and stability improvements across the board, along with several notable upgrades. This release adds the ability to start MPS with OS-native launchers, introduces a modernized Show Node Info dialog, and improves how resolve-info is handled when references are copy-pasted. Yo…

Today we’ve made the Release Candidate for MPS 2025.2 available for you to download. DOWNLOAD MPS 2025.2 RC Feel free to check out the earlier updates that the EAP 1 and EAP 2 builds introduced recently. The full list of fixed issues can be found here. Your JetBrains MPS team…

Today marks another milestone on our journey to MPS 2025.2. You can now download the second build of the MPS 2025.2 EAP and try it out! DOWNLOAD MPS 2025.2 EAP It comes with bug fixes and improvements, such as: Java source and target compatibility was raised to Java 21. VCS libraries are now pa…