The fix (reverting back to v24 and blocking the force updates) along with other stuff I’ve found that helps performance in VR is in the instruction below.
It’s the same instruction as:
also, if you have questions there’s huge chance they were already answered in the original thread called: Oculus v26 flickering/white flashes
Wrote the post because still people ask about is so maybe it can be pinned or with clear title easier to find.