Please, if you don't have time, don't do it. If you want to do it, it is best to first backup your phone completely.
The first beta update should arrive within the next week or so
Hello @The_Deacon ,
Galaxy System updates that you are referring to only updates a few of Samsung system apps. Although they may help, it is unlikely they fixed issues you were having. There is a battery chance that you battery learning has completed and adapted to your system usage resulting in better battery life.
One UI Beta Team