There is an issue where the undo does not affect movement made by piloting an object in a level. This issue does not appear to be a regression.
Versions Tested: This issue occurs in all versions tested
4.17.2 - CL: 3658906
4.18.2 - CL: 3794801
4.19.0 - CL: 3813964
Head over to the existingAnswerHub thread and let us know what's up.