Probably you are affected by performance regression since Opera 28, I have similar performance problems, lagging tabs when dragging, webpage scrolling lags or even halts when still loading and so on...

You close them before closing Opera.

No, simply no. Session is for a reason, which is to continue where you left off.
I don't see a point in loading tabs before activating them.
Where did Opera's policy go?
I mean what about traffic savings?
What about Opera Turbo, which is now gone from menu and is available only from options page?
I pay for each GB of traffic, so my suggestion is to give #extended-lazy-session-loading option back, or even put that functionality to options page as "Don't load tabs until selected".
Otherwise I'm forced to use another browser on my laptop. And I'm sure it's not only me.

I cleaned up my entire profile and copied just bookmarks, cookies and passwords. I see improvements in tabs dragging and window refreshing But scrolling is not much faster, especially on ZBCentral, Tumblr and Pinterest. What can be is that my HDD is heavily defragmented, even with my cache cleaned up, I hear my hdd when images load. Anyway what's most important I fixed my youtube problem, but I'm going off topic here

Please add "Don't load tabs until selected" functionality to options page.

@givver said in Vertical Tabs:

Is this Workspace aware? Will it only shows tabs from the current workspace?

Unfortunately Opera does not provide API for it (hopefully yet). They don't use new Chromium grouping system, I asked devs if they will "merge" their way with Chromium's API on their blog, but there is no response.

Hello, I see you already have the new chromium groupId identifier feature in tabs API. I have a question, will you unify groupId with workspaces in the future? Would be really neat.

Please add "Don't load tabs until selected" functionality to options page.

You close them before closing Opera.

No, simply no. Session is for a reason, which is to continue where you left off.
I don't see a point in loading tabs before activating them.
Where did Opera's policy go?
I mean what about traffic savings?
What about Opera Turbo, which is now gone from menu and is available only from options page?
I pay for each GB of traffic, so my suggestion is to give #extended-lazy-session-loading option back, or even put that functionality to options page as "Don't load tabs until selected".
Otherwise I'm forced to use another browser on my laptop. And I'm sure it's not only me.

So how do we start opera without tabs being loaded in the background? With around 50 tabs all my RAM is eaten in few minutes and my internet traffic is wasted. Strange thing is that on one pc tabs don't load, and on another they slowly load one by one. And it pisses me off that on pc with 4GB of ram tabs load and on one with 32GB don't. How do I stop that behavior?

Had same problem. Moderator said to remove all screenshot images and re-upload them. Worked for me.

I'm really pleased with that survey.

Few words for devs
For me, as a "tabs manager extension" developer, a very important thing would be to hide tabs bar like I can do in Vivaldi and Firefox (in Firefox it's still not possible from Web extension, but it can be done with XUL, like in "Hide Tabbar" extension, but I know they work on it). https://bugzilla.mozilla.org/show_bug.cgi?id=1208596#

Tabs stacking would be a second thing, especially if tabs could have something like parentId, visible via API for extensions, for example to use native grouping, when you switch between various "tabs manager" extensions, all groups could be the same across all of them. That would be sweeeeet. For now chrome API has only openerTabId, which is lost after browser restart.

I would suggest to contact guys from Vivaldi, maybe you can make a compatible cross platform API for tabs stacking? What you think? Maybe contact Mozilla WebExtensions team as well? You know that Firefox folks made sidepanel API based on yours right?
I'm working on TreeTabs extension for Opera and Vivaldi, after some small adjustments in css it works great in Firefox as well.
Developer's scream: "Unify the Web extensions API"
And btw. As extra widescreens gain more and more popularity, sidebars finally make sense.

:party:

With some extensions, we can have vertical tabs available, so it would be nice to have an option (even if hidden somewhere in opera://flags/) to hide all tabs from the horizontal title bar.
This option is available in Vivaldi, so it would be fantastic to have that in Opera as well. The only thing is that I would suggest to leave that arrow for the "tabs popup", if some extension does something wrong and some tabs are not accessible.

Vivaldi has their "Web panel", so it's possible to run Opera's sidebar extensions, you should be aware that they can steal quite some of your users if more people will get to know how to. As a proof, someone asked me if that was possible and for his request I made instructions how to do it and posted it on Vivaldi's forum, so yeah, there is definitely some interest, since you have your own extensions page and they don't.

First of all, you don't change url directly and you need permissions for tabs in your manifest file, to have access to tabs API
add this to manifest.json file:

"permissions": ["tabs"]

Then when you wan't to change url in active tab, you have to do it in two steps,
get active tabId and inside of callback function you can change url, like so:

chrome.tabs.query({active: true}, function(tabs){
chrome.tabs.update(tabs[0].id, {url: "your url here"}, function(){});
});

Anyway you should take a look at chrome's API:
https://developer.chrome.com/extensions/tabs#method-query

Hope that helps.

Hi there
I don't have description in manifest, so that may be the case?
Edit: I have no way to add other languages to description while uploading an update. I asked about that half a year ago or something, but mod had no clue how to resolve it...