As some reports suggest, 1.5.1 still suffers from it...
The infamous bouncing bug was mostly fixed in 1.4.1, however, in some odd situations it is reported to appear again. If this happens to you, you're welcome to try this mod.
But surprisingly, there are reports that 1.4.5 has the bug again: Squad Bugtracker Issue #16159, note #19
There's a bug that was seemingly fixed in 1.3 and reintroduced in 1.3.1 - when you enter the scene with some vessels landed they jump up i