www.makemkv.com

I just got this slim drive today. https://www.amazon.com/dp/B0CS3MY2DG
It rips 4K UHD right out of the box, without any flashing.

OS device name: /dev/sr0
Manufacturer: hp HLDS
Product: BDRE BU40N
Revision: BW41
Serial number:
Firmware date: 2116-12-22 09:20
Bus encryption flags: 1F
Highest AACS version: 61

LibreDrive Information
Status: Enabled
Drive platform: MT1959
Firmware type: Original (unpatched)
Firmware version: 0.BW41P
DVD all regions: Yes
BD raw data read: Yes
BD raw metadata read: Yes
Unrestricted read speed: Yes

It probably doesn't matter, but the manufacture date from the sticker on top of the drive is March 2023.
In case anybody cares.

Or maybe I just got lucky.