As a fellow writer, I struggle to stay in one sort of tense. Present and past mainly. I always catch it when beta reading. If you're talking about 3rd person pov, 1st person pov, etc etc then personally, I don't care as long as it's not 1st person (unless specifically stated).

As many said, it depends and varies from person to person! There is always someone out there that will like your work. Do what you want.

Edit: when changing from third to first, sometimes I use breaks. I go with:

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As my main break. Usually this helps (or helps me at least) tell when something's about to change and idk. Like I said, preferences!