Valve is working on a fix for this, but they don't have ETA.
When adding shootergame to steam as a non steam game, the overlays do no appear when launching.
1. Sync //depot/UE4/Promotable-CL-2473270.
2. Package shootergame.
3. Login to steam.
4. Add as a non steam game
5. Click play to launch shootergame
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-11580 in the post.
| 0 | 
| Component | UE - Platform - Apple | 
|---|---|
| Affects Versions | 4.8 | 
| Created | Mar 10, 2015 | 
|---|---|
| Resolved | Mar 16, 2016 | 
| Updated | Jul 14, 2021 |