Achievement granted erroneously

Bug Report
1

This account was playing the 6th Nova mission for the first time on CASUAL difficulty and received the achievement “No Half Measures”:

However, that requires destroying all Zerg structures on NORMAL difficulty.

It happened today, Apr 12 at approx 3:07pm EDT.

Fix Me Up, Will Ya! This achievement can be completed on any difficulty
2

Found another one. In the 7th Nova mission, the normal difficulty achievement “Fix Me Up, Will Ya” also was granted on casual.

3

Just to follow up in case it wasn’t addressed in a patch since April 14th:

  1. No Half Measures:

  1. Fix Me Up, Will Ya:

  1. The remaining seven missions appear to have the proper “Difficulty” condition included.