I think there is small bug in new 3.5. When I render scene and turn on Bloom effect and Glare when it's rendering it looks noisy and I need to uncheck bloom or glare and than it looks okay during rendering (the view fixes by itself you just need to check and uncheck effects)
here's video showing problem: https://mab.to/Yf9bEZzCJ
here's video showing problem: https://mab.to/Yf9bEZzCJ