@Opera-Security Thank you, I've already done that. Very interesting read.

Hallo Dieter, das ist mir, ehrlich gesagt, in all den Jahren bisher noch nicht passiert, dass plötzlich alle Schnellwahleinträge komplett weg waren. Manchmal kamen noch einzelne Werbekacheln hinzu, die ich nicht haben wollte. Ärgerlich genug, aber dass die Schnellwahl komplett zerschossen wurde, habe ich so noch nicht erlebt.

Du sprichst wahrscheinlich von der Desktop-Version, oder? Windows?
Hast du Sync aktiviert? Und nutzt du noch andere Opera-Versionen auf einem anderen Gerät?

Ich weiß jetzt aus dem Stand auch keine Lösung. Aber du könntest zumindest deine Lesezeichen exportieren und speichern und ggf. wieder importieren, wenn dir das Problem wieder widerfährt.

Es hört sich jedenfalls nicht nach einer normalen Reaktion an.

Thank you for bringing the post back again.

I have to add, that it worked once correctly with ad blocking disabled but next time not.
And with VPN enabled it surprisingly worked as well.

I got this error message this morning on www.bahn.de when doing a query.
I had ad and tracking blocking turned on, but Firefox with uBlock Origin worked. No VPN and no HTTPS over DNS. So, does anybody have an idea what caused this issue?
I'm in the latest Opera 131.....24.

I was very curious to read this post by @Opera-Security lately, but couldn't do it for some reason.
https://forums.opera.com/topic/88650/how-we-keep-opera-users-and-products-safe-inside-the-role-of-head-of-security
Unfortunately when I tried to read it the next day, it's been deleted. Is there an opportunity to read it again?

Just recently I discovered that on my fresh install of Opera for iPadOS I got two new shortcuts on my startpage: one for private mode and the other for AI mode. That's ok, I think.
But clicking on the AI mode shortcut took me to Google Search not as to Opera AI I thought it would. Is this deliberately so? I would have preferred if it was going to the latter rather than the former.

I was pleasantly surprised to find uBlock-filter lists to be turned on manually in the ad blocker preferences. I'm not sure, when this feature appeared but it's a very good thing not to have to download and install the respective extension any longer.
I think Opera should promote this feature more openly, actually.