With tile maps, Polygon Collision does not correctly rebuild when using rebuild collision node in packaged game. This issue does not appear to be a regression.
Versions Tested: Issue occurs on all versions tested
4.17.2 - CL: 3658906
4.18.1 - CL: 3754814
4.19.0 - CL: 3776583
Head over to the existingAnswerHub thread and let us know what's up.