Check our discord tech support channel. It is not possible to downgrade the official client. The only way is if you have old installer (from CDs) and...
Man, I was scared that there would be a mass load of problems. But glad to see there have been only two reports.
I'll try to make things a little more clear in the next version... Pretty sure what and how, so that should only take a few minutes! Still depends on the test report of Cen how quick it will be done!
So, I hope we will have a small update this night! (Brazilian people happy, they can test it first! )