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@lorendb There is an option to download rpm in the webpage that @satourne mentioned! I tried it and it works. The link is here: https://download.opera.com/download/get/?partner=www&opsys=Linux&product=Opera+beta&package=RPM
By the way, there were no issues with chromium in my pc, in contrast to what @Corey04 said.
@satourne should I try to find any previous version that has no issues, or wait for any update, or anything else?
Also, thank you very much for the really fast reply!
All pages started crashing after loading is finished on opensuse tumbleweed.