I can't wait to finally update my pet to a custom. But with all the...crappolla going on, will it be safe to try and do this now?

You always run the risk of it disappearing, breaking or crashing on submission and losing everything regardless of the recent 504 issues.

I would recommend saving a copy somewhere - locally or somewhere like Google Docs / Drive even when the sites at its top performance.

Oh. Goodie :D Thanks for the sincere headsup...I'll see when I'll take my chances, thanks again :)