Color and Opacity animation option does not play for Button component, this occurs both in the Widget editor and during play. This issue is not a regression
4.16.3 - CL: 3561208 - Issue does not occur
4.17.1 - CL: 3586342 - Issue occurs
4.18 - CL: 3597901 - Issue occurs
Head over to the existingAnswerHub thread and let us know what's up.