Photoshop version 21.1.1 is now available on the Adobe Creative Cloud.
This has fixed an issue clients were having where save steps in actions was not working. I have tested this and it does seem to be fixed. No rush to update as there may be new bugs introduced and its best to let things settle for a while if you are not affected.
Other bugs have been reported fixed, you can see the details here:
https://helpx.adobe.com/photoshop/kb/fixed-issues.html#photoshop-desktop-fixed-issues