An update came out on Saturday I believe from ST support stating they jumped the gun on declaring it resolved.
Still an open issue with them.
Fixed for me. Hue and Sonos app are working again.
Update came from Support:
Hi There,
Thank you for your patience and working with us. You may have noticed already but we tracked down the issue with various service managers acting up, and have resolved this particular issue. If you are still having trouble with that or anything else please do not hesitate to reply to this email. We are still here to help but wanted to provide an update on that particular issue!
Kind regards,
Ben
SmartThings Support