While they fix this, here's a temporary solution.

sudo flatpak update --commit=42ca2227b989ec879b8e9771b9634a7928b680ab03cfdf00bc16b65e1fc67cca com.opera.opera-gx

It's just manually downgrading to the version that worked. Just make sure not to reupdate it until there is a new release.

If you don't care about any of your data and settings etc., you can rename the "Opera GX Stable" folder in both "C:\Users\yourusername\AppData\Roaming\Opera Software" and "C:\Users\yourusername\AppData\Local\Opera Software" to "Opera GX Stable old" to start over completely fresh. Uninstalling and reinstalling doesn't do that unless you tell the uninstaller to delete your data when asked.

@leocg Opera GX

@GamerParty Aria already does many of those things. And it also uses Gemini.

And, of course, integrating a standalone version of Gemini on sidebar will depend on an agreement with Google.

@Eeveefanthepro See https://forums.opera.com/topic/39910/instructions-on-posting-about-problems-in-opera-gx/1

It is also happening to me, since the new version, which is now irreversible to downgrade. Can't use opera now and need to find another browser, which is shame 😞

Still happening, this browser sucks, the only good about it is the appearance