I currently use a very old and outdated schema theme. Think the subscription ran out in November 2018
My question is two fold.
1) I'm a tad (well very) nervous that as I've missed so many updates , if i were to update now it will remove some of the work i've had done on my site speed (lots of manual edits on the backend by a speedup pro) and also I'm worried it will have a negative effect on my serps on google for some random reason.
Is there any quick way to roll back to my previous version if I don't like the results that upgrading brings?
2) The reason I'm now loo