How to set in game texture resolution to 8K?

Sorry for the necro but this doesn’t seem to work on 4.10.1?

I tried yours as well as the instructions on Textures in Unreal Engine | Unreal Engine 5.3 Documentation but no matter what I do, it is still at 4096x2048 instead of 8192x4096 :confused:

I added the following 2 lines to my DefaultEngine.ini: