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Software policy

Release Schedule

OPAL-RT releases major versions of software at least twice a year, typically in January and July. Additional major versions may be released as needed.

Each major version may include new features, expanded product support, and bug fixes.

  • Major version format: YYYY.1, YYYY.2, etc.
  • Minor versions may be released between major versions: YYYY.2.1, etc.

MATLAB/Simulink® Compatibility

As of RT-LAB 2024.1, January and July releases support the six most recent versions of MATLAB/Simulink® available at launch—covering approximately three years of releases.

  • MATLAB/Simulink® releases occur twice a year: March (a) and September (b).
  • Compatibility includes all new features introduced within those six versions.
  • OPAL-RT performs non-regression testing to ensure stability and performance.
  • Toolboxes follow the same policy.
  • RT-XSG compatibility differs and depends on AMD Vivado™ software.

Older MATLAB/Simulink® versions are removed from the latest major RT-LAB release.

Support Policy

Technical support is provided only for officially supported versions of software and compatible MATLAB/Simulink® versions.

Examples:

  • RT-LAB 2024.1 (January) supports: 2023b, 2023a, 2022b, 2022a, 2021b, 2021a
  • RT-LAB 2024.2 (July) supports: 2024a, 2023b, 2023a, 2022b, 2022a, 2021b

If an additional version is released outside the regular schedule (e.g., November), it will support the same MATLAB/Simulink® versions as the preceding major release. Compatibility with newer MATLAB/Simulink® versions will be introduced in the next scheduled release.

Questions?

Please contact us for more information.

© 2025 OPAL-RT TECHNOLOGIES, Inc. All rights reserved. MATLAB and Simulink are registered trademarks of The MathWorks, Inc. AMD and Vivado are trademarks of Advanced Micro Devices, Inc. All other trademarks are the property of their respective owners.