Champion Mastery Not Appearing in Client

Currently Im having a bug that shows that I have no mastery on my champs in the collection screen. I can still see my top 3 champs when looking at my profile overview. Ill post a picture below of what is currently happening. Asked a few people and they have said the same.

We're testing a new feature that gives the option to view discussion comments in chronological order. Some testers have pointed out situations in which they feel a linear view could be helpful, so we'd like see how you guys make use of it.

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