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@pclaudel1: I think she meant that bug is identified and fixed internally and we see the fix when next developer build is published. Probably next monday or tuesday. Very annoying bug - I forgot that and always crashed twice when searching for tab. (That's a problem with tab-o-holic with about 250 tabs 
@krishnakrverma: Opera is based on Chromium - and adds features and modifications to that. New features or popup-windows or changes are made of Chromiums. => all of those should be inspected and if necessary modified by Opera. So herecould be the BUG: Sometimes all of those changes are not noticed and this can happen.
But also we all know that we are using Developer version - which allows testing of premature version of Opera. It's better to allow big changes to being tested than waiting that every single detail has been fixe. When Developer moves to Next it's still unfinished and will contain bugs. And so called stable version always contains bugs too.
I did'n (as far as I know) change any settings but I have too much tab and tab islands and with this version when I choose tab the tab bar does not always stay in that place at alla. So I have island with couple of tabs in same domain and I choose one but after that tab bar does not show this tab island and I must scroll tab bar to find it. Has anyone noticed this kind of behaviour? After update I have used ai to arrange tabs to tab island.
@koimark: Continuing my monologue. Disabling all the extension did not help. Version 121.0.5558.0 works but 5565 and 5566 does not work. I would like to keep my tabs, passwords etc. intact.
@koimark: Same happened today after coming back to work. Computer was restarted and opening Opera with old exe worked. Then update notification came and after that restart blinks task bar icon and does not start. (This in Windows 11 23H2) - after switching back to old opera.exe it worked again. Home computer with macOS Sequioa no similar problems with newest update. Could be related to some extension but yet have no time to check. New crash reports were generated so I hope maybe someone in Opera could comment if crashreports shows what could be wrong.
I have these extensions in use:
Browserling - Cross-browser testing
Versio 1.0.2 tekijältä browserling
F.B.(FluffBusting)Purity
Versio 37.4.2.0 tekijältä st333v
Google Docs offline
Versio: 1.92.1
Install Chrome Extensions
Versio 2.5.9 tekijältä Opera Software
KeePassXC-Browser
Versio: 1.9.8
No YouTube Shorts
Versio: 0.6.6
Open in PDF Reader
Versio 0.3.6 tekijältä andy-portmen
Send PDF links directly to your favorite PDF viewer like Adobe Acrobat Reader
Open Multiple URLs
Versio: 1.7.5
Opera Ad blocker
Versio: 121.0.5558.0
Remove Google Redirection
Versio 1.1.1 tekijältä kodango
Web eID
Versio: 2.3.0
@koimark: I found crash logs and some of them was sent. Tried also manually add couple. Now trying maybe to restart computer and later try again.
Warning! Boot loop after update for me and my precious pile of over 250 tabs . Just blinks couple of times when starting. Renaming new opera.exe and then restoring C:\Program Files\Opera developer\opera.exe.old -> opera.exe and Opera starts just fine. I don't knows was crash reports generated or not.
@kenedsf: Is this done via extension - or is it now built-in? Because you can install this to Opera. https://chromewebstore.google.com/detail/picture-in-picture-extens/hkgfoiooedgoejojocmhlaklaeopbecg?pli=1
@kenedsf: Sorry for potential stupid question but what kind of feature this is? Can you give me an example. Video material from different sources in same window or what.
@daria19: OK. I suspect that problem was another Opera window (which had only one tab). I closed that and after that I tried this arrange method and Opera suddenly closed. Restarted with same tab-settings. But after that tried again and then it worked. If I have time I try to test can I reproduce this or not.
@pilotbilal: I totally gree the need of this feature. That should work togetger with AI grouping of tabs too.
@leocg: Still doesn't work for me. Windows 11 V23H2 (Finnish version) - "Ryhmävälitys" seems not to work. Maybe later I would try to switch language or something else.
@koimark: So the error is not erro like exception or program fault but that AI doesn't know how to proceed to actual arrangement of tabs.
@daria19: I'm doing exactly the same procedure in Windows than Mac. Right click from tab and choose "Välilehtien hallinta tekoälyllä" - "Tab management via AI" Then selecting the tab arrangement based on url "Ryhmävälitys" Ryhmitä välilehdet saariksi verkkosivuston mukaan" -> "Arrange tabs to islands based on url" or something like that.
That gives error in Windows "Hmm... En löydä välilehtiä jotka liittyvät siihen. Jos olen väärässä yritä kysyä uudelleen" translation: Hmm. I don't find tabs related to that. If I am wrong try ask again"
Here are screenshots.
https://www.dropbox.com/scl/fo/5u48eh402vz8nydn7qu3n/AIGjfM2tJ2IipTSMJUa1Gfc?rlkey=rm1ndt0pmcvq1lfys32muluct&dl=0
I noticed opportunity to use AI to arrange tabs to islands. Tested it with my Macbook Pro and it worked nicely. But in Windows that doesn't seem to do nothing. It tells somekind of error that AI doesn't find suitable tabs to that. Am I missing something?
@daria19: Thanks for you. I just want to have full use of my precious 20 USD student registration fee of Opera from year 2001 - I think that I started to use Opera as my main browser since 5.x.
I kind of like tab island but after arrangement it exploded immediately. I would suggest feature to "Arrange duplicates to tab island" - meaning that every urls of certain domains moved to same tab island. Or maybe some other way to arrange things. Maybe there would be need of Tab Island Organiser -addon or something.
And maybe also option to define urls (using wildcards etc) to guide where links will be opened. For example I would like to have Tab island containing IG-pages - and when I click Threads -link in IG it would be nice that this link would be opened as a tab in Threads Island. Etc. That way clutters stay away.
Pseudocode
IF link url contains instagram -> IG Tab Island
else if link url contains facebook -> FB Tab Island
else if link url contains youtube or "other streaming service" -> Media Tab Island.
(This could be mayba part of bookmarks property - so you could arragne all kind of addresses that belongs to -> Humor Tab Island etc. )
if link base url is found in bookmarks - find Tab Island information from there.
Quite many "Fix detected dangling ptr..." - it would be nice to know more. Were those caused by same component / same programmer / same situation of sunspot.