MPS 2026.2 Release Candidate Available - The JetBrains Blog

JetBrains has released the MPS 2026.2 Release Candidate for testing ahead of the official launch, adding numerous bug fixes and improvements over the earlier EAP1 build. The release introduces Linux ARM64 support for MPS and standalone MPS-based applications, extends Build Language with TAR archive imports, and preserves symbolic links and permissions in platform-specific packaging, including a move to .tar.gz archives for macOS distributions. The Projectional Agent Toolkit receives substantial MCP API improvements intended to reduce AI-agent token usage, alongside new Typesystem and other MCP tools for type analysis, project management, logs, intentions, quick-fixes, and Java expression correction. Additional updates rework the Import dialog to respect user selections and improve its controls, while refinements to Diff dialogs and editor markers enhance alignment, resizing behavior, visual consistency, and hint display.

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