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An overview of all Eclipse 4diac releases: what’s new, what’s improved, and what’s coming next.

Eclipse 4diac 3.3

Released on September 9, 2026
  • 4diac IDE New ways to inspect and reorganize event networks, create advanced Bulk Editor queries, validate projects with custom rules, and work more safely with structured data, dependencies, replay traces, and broken model content.
  • 4diac FORTE 4diac FORTE 3.3 introduces EtherCAT support as a major new feature and brings a broad set of improvements across industrial I/O support, OPC UA, runtime behavior, and internal architecture.

Eclipse 4diac 3.2

Released on June 10, 2026
  • 4diac IDE Modernized editors, stronger validation, improved refactoring, and streamlined deployment workflows.
  • 4diac FORTE Improved runtime performance, extended data type support, and upgraded OPC UA connectivity.
  • 4diac FBE Refreshed software stack with updated third-party dependencies.

Eclipse 4diac 3.1

Released on March 11, 2026
  • 4diac IDE Improved struct handling, enhanced refactoring capabilities, and modernized the UI.
  • 4diac FORTE Modularized function library, optimized memory usage, and improved OPC UA communication and runtime diagnostics.

Eclipse 4diac 3.0.1

Released on December 23, 2025
  • 4diac IDE Focused on IDE stability, Structured Text (ST) editor precision, and high-DPI graphical rendering.

Eclipse 4diac 3.0

Released on December 10, 2025
  • 4diac IDE Introduced refactoring tools, an interactive ST interpreter, named constants, and an overhauled library system.
  • 4diac FORTE Upgraded codebase to C++20, adding advanced array handling, full IEC 61131-3 function support, and data type compliance fixes.
  • 4diac FBE New build engine that automates 4diac FORTE compilation and multi-target management without manual software installations.

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