Yeah if you opt out now and don't accept QPR1 beta 1 you don't have to wipe for stable 17 others your going through the beta cycle if you accepted and now wipes are the only way to go back
Beta should happen around May ~early June
Samsung One UI 9 Beta: Why it's different this year - Release Date and Eligible devices - Sammy Fans https://share.google/5YrUZDWjOBJ0xjnwi