MPS 2026.2 Has Been Released!

JetBrains MPS 2026.2 adds Linux ARM64 support for both the IDE and standalone MPS-based applications, alongside build-script support for ARM64 distributions and improved TAR archive imports that preserve symbolic links and file permissions. Distribution packaging and startup configuration have been aligned more closely with the IntelliJ Platform, including macOS tar.gz archives and more maintainable launcher settings. The Projectional Agent Toolkit receives substantial MCP API improvements intended to reduce AI-agent token use by more than 50% in measured scenarios, with new capabilities for type-system analysis, intentions, quick-fixes, logs, projects, and Java SModel expression correction. User-interface updates include virtual-package grouping in Find Usages, improved list-node selection, a redesigned Import dialog with reliable selection controls, and more polished diff behavior. Editor testing now supports customizable node matching and per-node exceptions to reduce brittle tests, while failure reports identify the relevant nodes and editor cells more clearly.

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