Trouble With Xbox Live accounts synching with Minecraft Bedrock edition 1.16.20

When u update your minecraft to 1.16.20 Piglin Brute update. Your xbox account goes werid and if u changed ur name Recently. For example my name back then was CarlosMcFx and when u get this recent update it changes it bCk to ur old name and my new name. Is Vixsii and your xbox acc doesnt load Probabaly by logging you Out your infomation...