If you stand by a wall and push up, it goes for the full jump. As you can see in the demo, the jump strength itself makes you go significantly above the platforms.
If you stand by a wall, push right/left into the wall and push jump, you only go as high as the wall then start walking immediately. Even does it without pixel rounding.
It seems to only affect the walls that are 2 tiles high. 1 tile, 3 tile, 4 tiles don't matter. This is at 250 jumpstrength with default settings
At 300 jumpstrength it only affects 3 tile high walls.
My game with platforming configured more detailed, it affects all platforming as 1 2 or even 3 tile high walls it does this (3 tile is the max jump height for that game)
It seems to be anything that is compiled with the [r120.2] build has this issue, as my previously compiled exports do not do this. edit: Just did a test and preview/compile with [r119] does not reproduce the issue I'm having with [r120.2]
Edit: version I am on is [r120.2]. Not just [r120]