How to increase .hdr resolution above 4k

Development Rendering
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1

Heya,

I have been trying to increase the resolution of imported .hdr file. I have followed this thread:

https://forums.unrealengine.com/development-discussion/rendering/41643-how-to-set-in-game-texture-resolution-to-8k?70493-How-to-set-in-game-texture-resolution-to-8K=&viewfull=1#post425186

but none of this works, I have copied BaseDeviceProfiles.ini into my project, renamed it to DefaultDeviceProfiles, also tried without Default, but anytime I opened the editor I saw the same thing:

how can I increase this resolution?

Also - I do not really care for performance, for testing purpose I want the highest quality possible. Each time I open UE I set t.maxFPS to 30. I did add this line to ConsoleVariables.ini but it does not apply. How can I cap my fps without doing it manually each time?

Thanks!