Goto URL opera://settings/startPage. You'll see a suggestions option that you can disable (among other things).

Goto the URL opera://flags/#search-in-open-tabs, disable the flag, and restart Opera.

Test this solution. Remove the Opera Safe Store password from Keychain Access login item.

Steps:

Open Keychain Access application

Choose 'login' keychain on left

Choose 'Password' group

Find 'Opera Safe Storage' entry, right click it and choose Delete.

You can goto https://addons.opera.com/en/wallpapers/?tag=animated and install one of the animated wallpapers. Then, in Opera, goto the URL opera://about and take note of the "profile" path. Then, close Opera and look in the "themes" folder in the profile folder.

You'll see the folder for the wallpaper you installed. In it, you can see how to create your own. You then just zip up your persona.ini file with the webm file and thumbnail and you 'll have your custom wallpaper.

Things you can try:

Goto the URL opera://about and take note of the "profile" path. Then, close Opera and delete the WidevineCDM folder in the profile folder.

Then, start Opera, goto the URL opera://components, click "update" for Widevine, let it update, and restart Opera.

Then, start Opera and goto https://html5test.com/ and make sure it shows "yes" for h.264 support and "yes" for aac support.

Once that's good, goto https://bitmovin.com/demos/drm, make sure it says "Using Widevine" above the video and "Widevine" for EME below the video, and "video/mp4; codecs="avc1.42c00d" for MSE below the video. And, make sure the video plays and you can hear its audio.

Then, goto the URL opera://settings/siteData, type spotify.com in the search-cookies field and choose "remove all shown".

Then, goto https://open.spotify.com/ in a new tab, log in, and try to play some music.

If you still have problems, goto the URL opera://flags/#reduce-user-agent, enable the flag, restart Opera, and try again.

If you still have problems, goto the URL opera://settings/system, disable hardware acceleration, restart Opera, and try again.

If you still have problems, goto the URL opera://extensions, disable all your extensions, and restart Opera.

If you still ahve problems, make sure you're not using Opera's VPN, and try turning off Opera's Adblocking and tracking protection.

If you still have problems, try all of the above with a standalone installation.

You can also goto the URL opera://settings/content/protectedContent, and make sure "Sites can play protected content" and "Sites can use identifiers to play protected content" are set with no sites in the custom behaviors list.

In the Opera program files directory, right-click on launcher.exe to create a new shortcut and place it on your desktop. Then, on the desktop, rename it what you want. Then, right-click on the shortcut, goto properties and then the "shortcut" tab. On that tab, modify the target to add the --user-data-dir command-line switch.

For example:

"C:\Program Files (X86)\Opera\launcher.exe" "--user-data-dir=C:\Users\yourusername\Opera2"

(I personally have a "My Program Files" folder in "C:\Users\myusername", so I'd use "C:\Users\myusername\My Program Files\Opera2" for example.)

You can create as many shortcuts as you want with each using a different profile folder.

See http://peter.sh/experiments/chromium-command-line-switches/#user-data-dir for more info.

Log into https://gemini.google.com/app in a tab.

Then, enable the "Custom user sites for browser sidebar" flag at the URL opera://flags/#sidebar-site-panel, restart Opera, click the 3 dots at the bottom of the sidebar, scroll down to Custom Site Panels and add https://gemini.google.com/app.

As an alternative for now, note that you can enable the "Custom user sites for browser sidebar" flag at the URL opera://flags/#sidebar-site-panel, restart Opera, click the 3 dots at the bottom of the sidebar, scroll down to "Custom Site Panels" and add the URL for the web app you want (https://bsky.app/ for example).

You can't customize the icon for it in the sidebar and you can change its position, but it's something for now.

If you have any trouble logging in to the site in the sidebar, you can log in via a regular tab first and then reload the sidebar.

Goto the URL opera://about and take note of the "profile" path. Close down Opera and delete the WidevineCDM folder in the profile folder. Then, start Opera, goto opera://components and try updating Widevine again.

You might want to make sure opera://flags/#new-component-update-mechanism is disabled too. It should be by default, but check that URL just in case.

Are you talking about the start page button that's missing on the left side of the address bar in Opera One builds?

When Opera isn't maximized, you can drag the badge (usually a lock icon) at the left of the address field, drag it and drop it on your desktop for example. That will create a URL file that you can double-left-click to launch that page in whatever browser is the default ofr url files. Those files won't have an icon that matches the site's favicon though.

If you're talking about creating a PWA though, Opera indeed can't do that yet.

The changes at the URL opera://settings/cookies where made by Chromium. They're more restrictive and less customizable now because Chromium is eventually going to phase out 3rd-party cookies. Not sure how that affects syncing of settings that have the old settings.

In Opera GX, you can goto the URL opera://operius to play the Operius game. Or, you can play it at https://gx.games/games/8z54je/operius/ in regular Opera.

In Opera GX, if you hover over near the top left corner of the start page where you get a cursor with a question mark and click, Opera will apply a red shader to all the speed dials.

Not even sure if Opera is planning to support it.

On Windows, Opera uses the Windows Media Foundation for proprietary codec (like h.264) playback. So, the first requirement would be for Windows itself to support h.265 (via https://apps.microsoft.com/detail/9nmzlz57r3t7?hl=en-US&gl=US and not some direct show codec). However, even then, I don't know if Opera will take advantage of it or not. I don't think it does.

I'm on Windows 11 23H2 and Chrome for example doesn't play https://test-videos.co.uk/vids/bigbuckbunny/mp4/h265/1080/Big_Buck_Bunny_1080_10s_1MB.mp4 for me. Edge doesn't play it either. I don't have the h.265 codec from the store installed though.

Things might be different on macOS.

Vivaldi usually does the same as Opera in these cases.

In addition to renaming opera_autoupdate.exe to opera_autoupdate.off or deleting it, open the Windows Task Scheduler, select "Task Scheduler Library" and then disable all Opera autoupdate tasks. Then, block the update servers.

@flaviu2 OK. I tested multiple times and it does seem fixed.

@flaviu2 You can download it from the "Opera Developer" section at https://www.opera.com/download. It uses a separate install path and separate profile etc., so you don't have to worry about it messing with Opera Stable. If you to install all of Opera Developer to just a folder, you can make a test standalone installation.

You can get rid of the My Flow icon by disabling My Flow at the URL opera://settings/easyShare. But, that assumes you don't use the feature.

You can get rid of the Pinboards icon if you disable Pinboards at the URL opera://settings/pinboards. But, again, that's assuming you no longer use the feature.

But, no, there's currently no way to customize the icons.

If you're talking about the https://www.opera.com/client/upgraded, https://www.opera.com/client/upgraded-gx and https://www.opera.com/client/upgraded-air pages, I have an extension linked in https://www.reddit.com/r/OperaGX/comments/1b24otz/comment/ksql4ix/ that will take care of that part.