Discover Challenges loading in old, expired Challenges

[saraolson]

The top few Challenges loaded in the Discover Challenges tab are current, but as you scroll the list doesn't match what you'll see on web. Sometimes if you tap a few of the Challenges in that list, it will provide an error because that Challenge has already closed.

Here's a screenshot a user (900fde56-66c9-4ea0-9b6b-25e73a249790) provided marking some of the Challenges that seem stuck in the discover list:

[saraolson]

had a user report this again

[JBYoshi]

I'd be interested in working on this issue.