Firmware release notes 4.9.1

 

This article is a stub. Main article: Firmware release notes 4.9.x.

Release name: "Castor" 4.9.1. Release date: July 8^th, 2025.

Applies to HMP400/W, iBX410/W, iBX440, HMP350, HMP300, DiVA, and third-party DSOS players.
Firmware version number: 4.9.1-1.0.0-e34175f1

Note:

For other versions, see the DSOS release notes page.

Fixes

 

Applies to all DSOS players.

• Custom HTTP headers were not passed to the HTTP request when the data source was CSV.

 

Applies to iBX440 players.

• Combined multi-screen and multi-output projects would not show correctly on all players.

Known issue

• Updating from DSOS 4.7.0 or earlier will update to DSOS version 4.8.7-3.0, so you need to run the firmware update a second time to update to DSOS version 4.9.1.