Settings > Accessibility > Reduce Motion (off/on) Right above in "Increase Contrast" you can also trigger a "Reduce Transparency" setting which may speed up an

Settings > Accessibility > Reduce Motion (off/on) Right above in "Increase Contrast" you can also trigger a "Reduce Transparency" setting which may speed up animations (but admittedly alters the UI style). It's not yet what we'd want but it's what we have so far.