2026
Monday, May 18, 2026
OpenFB 1.1.0 Released
Introducing OpenFB - a Python-powered IEC 61499 Runtime for 4diac IDE.
Friday, May 15, 2026
Eclipse 4diac Weekly #86
Update on what development happened across the Eclipse 4diac project in the week from May 08 to May 15, 2026. This week introduces new edge-detection and generic flip-flop function blocks, modernizes timer FB implementations, and improves type cleanup, export handling, and editor behavior in 4diac IDE, while 4diac FORTE gains corresponding runtime support and connection handling fixes alongside ongoing code quality refinements.
Friday, May 8, 2026
Eclipse 4diac Weekly #85
Update on what development happened across the Eclipse 4diac project in the week from May 01 to May 08, 2026. This week’s Eclipse 4diac updates improve function block correctness, editor stability, and usability in 4diac IDE, while 4diac FORTE extends IEC 61131-3 compliance and enhances networking and synchronization functionality. Documentation was also updated with platform-specific UI test requirements.
Saturday, May 2, 2026
Welcoming Our Google Summer of Code 2026 Contributors!
We are excited to share that the Eclipse 4diac Project has been selected to participate in Google Summer of Code 2026 and we are welcoming two student contributors who will be working with us over the summer!
Friday, May 1, 2026
Eclipse 4diac Weekly #84
Update on what development happened across the Eclipse 4diac project in the week from April 24 to May 01, 2026. This week’s Eclipse 4diac updates focus on improved validation, editor usability, and modularization in 4diac IDE, while 4diac FORTE strengthens security, determinism, and test coverage. Documentation has been enhanced with updated installation and communication guides.
Thursday, Apr 30, 2026
Eclipse 4diac at OCX 2026: 18 Years of Eclipse RCP
Eclipse 4diac committer Michael Oberlehner presented how Eclipse 4diac grew from a research prototype into an industry-grade open-source toolchain for IEC 61499-based automation. The recording is now available, and an upcoming webinar will continue the topic with a focus on maintaining large IEC 61499 applications.
Friday, Apr 24, 2026
Eclipse 4diac Weekly #83
Update on what development happened across the Eclipse 4diac project in the week from April 17 to April 24, 2026. This week’s Eclipse 4diac updates focus on advancing interpreter and replay debugging capabilities in 4diac IDE, while 4diac FORTE improves code quality, formatting utilities, and test readability. The documentation sees enhancements around IO and communication.
Friday, Apr 17, 2026
Eclipse 4diac Weekly #82
Update on what development happened across the Eclipse 4diac project in the week from April 10 to April 17, 2026. This week’s Eclipse 4diac updates focus on major improvements in refactoring, deployment, and Structured Text tooling in 4diac IDE, while 4diac FORTE enhances event handling, monitoring, and runtime robustness.
Friday, Apr 10, 2026
Eclipse 4diac Weekly #81
Update on what development happened across the Eclipse 4diac project in the week from April 03 to April 10, 2026. This week’s Eclipse 4diac updates bring small but important improvements to 4diac IDE robustness around refactoring and library handling, while 4diac FORTE focuses on cleanup, performance optimizations, and infrastructure updates.
Friday, Apr 3, 2026
Eclipse 4diac Weekly #80
Update on what development happened across the Eclipse 4diac project in the week from March 27 to April 03, 2026. This week’s Eclipse 4diac updates focus on improving usability and robustness in 4diac IDE, particularly around library management, validation, and editor behavior, while 4diac FORTE extends its type system and stabilizes OPC UA testing.