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[OPI Blue Release Notes](https://knowledge.opisystems.com/en/knowledge/opi-blue-release-notes) # OPI Blue Release Notes - [Release v4.21.0 (June 7, 2021)](https://knowledge.opisystems.com/en/knowledge/release-v4-21-0) - [Release v4.13.0 (February 2, 2021)](https://knowledge.opisystems.com/en/knowledge/release-v4-13-0) - [Release v4.15.0 (March 2, 2021)](https://knowledge.opisystems.com/en/knowledge/release-v4-15-0) - [Release v4.14.0 (February 16, 2021)](https://knowledge.opisystems.com/en/knowledge/release-v4-14-0) - [Release v4.22.0 (June 16, 2021)](https://knowledge.opisystems.com/en/knowledge/release-v4-22-0) - [Release v4.41.3 (June 21, 2022)](https://knowledge.opisystems.com/en/knowledge/release-v4.41.3-june-21-2022) - [Release v4.39.3 (May 18, 2022)](https://knowledge.opisystems.com/en/knowledge/release-v4.39.3-may-19-2022) - [Release v4.36 (Feb 15, 2022)](https://knowledge.opisystems.com/en/knowledge/release-v4.36-feb-15-2022) - [Release v4.30 (Jan 14, 2022)](https://knowledge.opisystems.com/en/knowledge/release-v4.30-jan-14-2022) - [Release v4.29.2 (Dec 6, 2021)](https://knowledge.opisystems.com/en/knowledge/release-v4.29.2-dec-6-2021) - [Release v4.28 (Oct 19, 2021)](https://knowledge.opisystems.com/en/knowledge/release-v4.28-oct-19-2021) - [Release v4.27.1 (Sept 27, 2021)](https://knowledge.opisystems.com/en/knowledge/release-v4.26.0-sept-7-2021) - [Release v4.24.0 (Agu 9, 2021)](https://knowledge.opisystems.com/en/knowledge/release-v4.24.0-agu-6-2021) - [Release v4.23.0 (July 19, 2021)](https://knowledge.opisystems.com/en/knowledge/release-v4-23-0) - [Release v4.20.0 (May 11, 2021)](https://knowledge.opisystems.com/en/knowledge/release-v4-20-0) - [Release v4.18.0 (April 13, 2021)](https://knowledge.opisystems.com/en/knowledge/release-v4-18-0) - [Release v4.17.0 (April 6, 2021)](https://knowledge.opisystems.com/en/knowledge/release-v4-17-0) - [Release v4.16.0 (March 16, 2021)](https://knowledge.opisystems.com/en/knowledge/release-v4-16-0) See less ▼ ## Gateway - [GW Firmware 5.8.15 Release Notes](https://knowledge.opisystems.com/en/knowledge/gw-firmware-5.8.14-release-notes) - 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[Fan Control](https://knowledge.opisystems.com/en/knowledge/fan-control) - [Warranty](https://knowledge.opisystems.com/en/knowledge/warranty) [![Chill listening crop-3](https://knowledge.opisystems.com/hs-fs/hubfs/OPI_with_Tag_RGB_300dpi_3in_tall-2.png?width=100&height=55&name=OPI_with_Tag_RGB_300dpi_3in_tall-2.png "Chill listening crop-3")](https://advancedgrainmanagement.com/) Copyright © 2026, OPI