Warp stabilizer extremly slow on Sony HLG footage whilst it's really fast in AE

I've also encountered this problem and noticed that when I switch the color profile of the file in the project bin in Premiere Pro (right-click on the file or all files > Modify > Color > switch from 'Use Media File Color Space' to 'Overwrite > Rec 709'), it works as it should, analyzing Warp Stabilizer quickly. However, this changes the colors of the file. So, what I do is modify the color space of all files, apply Warp Stabilizer where needed, and then switch the colors back. It's frustrating, but hey, it works... although it slightly disrupts my workflow.

Adobe should definitely look into this.

Have you find a solution? I'm having the same problem in PPro 24. It takes minutes to stabilize shots that before took seconds

Some extrta info:

I had the same result wether it was 10bit 4:2:2 footage or 8 bit 4:2:0 footage HLG footage. Changing the color mode from BT.2020 to Rec709 in the Sony settings still showed the same result.

The PC is an i9-10900x with 32GB ram and a Quadro RTX 4000 card.