Hello Coopervid,
I also have a BDR-UD03 with the following info :
Drive Information
OS device name: D:
Manufacturer: PIONEER
Product: BD-RW BDR-UD03
Revision: 1.14
Serial number:...
Firmware date: 2020-06-15
Bus encryption flags: 1B
LibreDrive Information
Status: Enabled
Drive platform: RS8511
Firmware name: PIONEER BDR-US03
Firmware type: Original (unpatched)
Firmware version: 1.14
DVD all regions: Yes
BD raw data read: Yes
BD raw metadata read: Yes
Unrestricted read speed: Yes
I would love to be able to read UHD Drives. Thanks in advance