Anti-aliasing works with delay (4.18.2)

I have basic cubes which scale when I press keyboard key. Pretty simple.

However, when a cube changes its size anti-aliasing works not immediatly, it takes 2-3 seconds to make edges smooth.

AA method is set to “TemporalAA” in “Projects Settings” => “Rendering” => “Default Settings” => “Anti-Aliasing Method”. (I also tried FXAA, but it’s even worse)

Here is a video showing this: