It's possibly crazy and seems to be weird, but the last days it seems to me that installing and using Opera on my devices seems to trigger issues with my router, a FritzBox Cable 6660.
I asked AI for a reason and it gave me back: Normally no issue possible like this because of one browser but in some cases it might be.
I installed Opera on my MacBook and on my Androids the other day and only after a while my internet was disturbed and caused me to restart my router.
I've deinstalled Opera and used Firefox for the time being and there haven't been any hiccups since then.

I wouldn't have thought this was a fault stemming from Opera if I hadn't something like this with earlier versions. It seems to dependent on Opera's way to resolve DNS probably which triggers something in the router to close the connection as if it were attacked as far as I understood.
I'm not sure if this comes from the desktop or the mobile version or even either. But if you asked me, I'd think it's mainly the Android one.

Unfortunately this led to me to turn to Firefox for now. I just wanted to give note to this maybe very unique behavior.

Habe gerade durch Zufall entdeckt, dass der Fehler schon gemeldet wurde: https://forums.opera.com/topic/87970/opera-127-0-5778-76-stable-update/23

@roflthecow Ok, willst du das mal im englischen Teil des Forums posten? Ich fürchte, hier liest das niemand von Opera.
Du kannst auf jeden Fall @Opera-QA-Team taggen.
Meiner Erfahrung nach bleiben solche Probleme oft über mehrere Versionen ungelöst, bis sie dann - schließlich - von selbst wieder verschwinden.

@roflthecow Diese Funktion kannte ich gar nicht, aber ich kann das tatsächlich bestätigen. (Ich nutze die Lesezeichenleiste in Opera sonst gar nicht), Ich habe mir einen Ordner aus der Speed Dial in die Lesezeichenleiste gezogen und die einzelnen Seiten öffneten sich wild durcheinander. Zur Kontrolle habe ich das auch bei Firefox gemacht und, siehe da, alle Lesezeichen öffneten sich in der Reihenfolge des Ordners.
Meine erste Frage wäre dann: Hat sich das Verhalten in Opera geändert, z.B. durch ein Update? Oder war das schon immer so?

@nohookneeded Ich kann deine Anregung gut verstehen. Allerdings würde ich diesen Wunsch auf Englisch in dem entsprechenden internationalen Teil des Forums posten:
https://forums.opera.com/category/49/opera-browser
Erfahrungsgemäß liest das hier niemand von Opera. Und es gibt auch keinen deutschsprachigen Moderatoren hier.

@janmlar Sync in Opera works a little bit different as you'd expect to do.
That means: Speed Dials from different devices are kept separate, so that each of your devices has its own. This is, at least from my humble experience, very handy as you might not want your phone have the same as its screen is much smaller.
But as you're talking about two computers the situation is quite different and you want to have the same settings on each of them as you might have in Chrome, Edge or Vivaldi.
To my best knowledge this is only possible in Opera manually, at least when talking about speed dials and bookmarks.
So, when you go to your bookmarks menu which appears as the heart symbol on the sidebar you can easily chose to see the complete bookmarks by clicking on the link down below. This triggers a new tab to open where you get access to all bookmarks from all devices. Chose the one that you want to sync, copy all folders you want to have on the device you're using, and paste it into its speed dial page, deleting all the folders there that you don't want have.
The caveat with this is: Whenever you change anything on one device's speed dial this won't sync automatically to the speed dial on your other device. But of course you'll have access to all them from each device. So you must either replicate the change you made on one device on the other, unfortunately. At least this is how I know to do it.

When you're talking about your other settings including theme and wallpaper, beware that the latter two aren't synced either. And also not all of, but some of the settings are synced, best you check all that are important to adjust them if necessary.

I hope you get along with these steps.

I haven't found a specific number of how much pictures I can generate with Opera AI per day? I think there was a limit of 30 with former Aria, is this sill valid?