While the Pixel 6 ushered in three years of major Android OS version updates and an additional two for security patches, that’s still nowhere near the longevity of the iPhone. Google hopes to change that on the Pixel 8 and 8 Pro with noticeably more OS updates.
Not a toggle but my 4a slow charges over night when I have an alarm set so the battery will reach full just before the alarm goes off. I’ve woken up in the middle of the night before and sure enough the battery was only at 70-80%. I know its not quite the same, but it is a welcome feature