Why is this well known bug allowed to remain unfixed?
Does Figma think pixel grid alignment isn’t important?
To recreated, autolayout a number of elements in a container shoe positions cannot fall on a whole number when divided equally. Its basic arithmetic to fix this, and there is no case in which is should not be fixed.
Have you reported the bug before? If not, report it to Figma support team via the bug report form. However it’s not really a bug, this is expected behavior (although unwanted). To make sure your voice is heard, feel free to create a topic in #share an idea category so other people with the similar feedback can vote for this to be fixed.