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Firefox CPU usage increases dramatically while playing YouTube videos full-screen

I'm using Firefox v 83.0 on Manjaro (Gnome) Linux. YouTube videos in theater/full-screen mode lag if resolution is higher than 360p and cause the CPU usage to burst. Thi… (read more)

I'm using Firefox v 83.0 on Manjaro (Gnome) Linux. YouTube videos in theater/full-screen mode lag if resolution is higher than 360p and cause the CPU usage to burst. This happens for large web pages as well: when I scroll the page, text overlaps and everything is terribly slow. I've checked and this seems to be a Firefox related problem; videos play smoothly both on VLC and Chromium. I've tried all official troubleshooting suggestions: changing to default theme, refreshing Firefox, starting in safe-mode, disabling extensions, disabling hardware acceleration and so on, with no success. I've never had any problems with Firefox for Linux before and I wonder what could be the cause.

I attached screenshots for comparison of CPU usage for the same video playing in theater mode in Firefox and Chromium.

Asked by Giulia 2 hours ago

Firefox Menu Bar Unresponsive

Hi, my Firefox Menu bar always randomly stops responding... the "Apple" Menu & the "Firefox" Menu (About, Prefs., Hide/Show, Quit both still work, but not the rest o… (read more)

Hi, my Firefox Menu bar always randomly stops responding... the "Apple" Menu & the "Firefox" Menu (About, Prefs., Hide/Show, Quit both still work, but not the rest of the Firefox menus (File, Edit, View, History, Bookmarks, Tools, Window, Help)... those randomly become unresponsive, then total stop when using Firefox...)

Is there a setting in Firefox, or is there a way using Apple's Activity Monitor, or a Terminal command to force a restart of the Menu bars? this is getting very annoying LOL

Asked by 4ryca09 2 hours ago

Will not remember youtube preferences (Dark mode, Autoplay, etc...) between browser sessions and tabs (Windows 10)

The browser simply refuses to save such personal preferences anymore, up until the last update this hasn't been an issue. Before i updated youtube would remember to use d… (read more)

The browser simply refuses to save such personal preferences anymore, up until the last update this hasn't been an issue. Before i updated youtube would remember to use dark mode and disable autoplay without fail, now i have to reset these preferences every time i open a new youtube tab. When i open a new tab on youtube the screen starts as if it were in dark mode and then smash-cuts to light mode with autoplay as soon as the video and recommended thumbnails load up. This doesn't happen on Chrome, and when i set my system preferences in the windows options menu it does default to dark mode (but i really hate the systemwide dark mode there).

I could really use some help here if anyone is able to, half of my browsing youtube is in the dead of night and i really don't need the added eye strain every time i want to watch a new video outside of my queue.

Asked by vidlover97 3 hours ago

image copy problem with jpg images on a specific website - pixiv.net

I often view pictures on https://www.pixiv.net/ When I select one jpg image on pixiv.net, copy this picture and then paste it to somewhere else, It becomes completely bl… (read more)

I often view pictures on https://www.pixiv.net/ When I select one jpg image on pixiv.net, copy this picture and then paste it to somewhere else, It becomes completely blank. And the copied image file is broken due to unknown reasons. Here I added one picture. It shows the result when I paste a said jpg image from pixiv.net to somewhere else (like a word document page). This issue happens with firefox 83 and firefox beta 84. It never happens with firefox 82. I don't know what caused this issue.

Asked by lordingholic 5 hours ago

Youtube progress bar save all the time old watching time

I dont remeber where but i years ago found in internet something about increase buffering videos on yt or something like that and it said to go to about:settings and chan… (read more)

I dont remeber where but i years ago found in internet something about increase buffering videos on yt or something like that and it said to go to about:settings and change something but yea i dont remember what i changed i mean for long time when i close browser with opened video it all the time move back video to old time for example video 1h and i close at 30 min but earlier i closed at 10 min and it will move all the time back to 10 min.It was something about saving video time i extended it to max probably so maybe every one hour or something it will track the time.

Asked by kosa8237 8 hours ago

Tab key behavior in the address bar has changed

11.23.20 Some time in the last week, the behavior of the tab key has changed in the address bar. Previously it would cycle through address/search bar items. Now it is ope… (read more)

11.23.20

Some time in the last week, the behavior of the tab key has changed in the address bar. Previously it would cycle through address/search bar items. Now it is opening up the autocomplete window for the address bar.

There are already keys that do that. (Down arrow, etc) I don't want another, particularly not another that I frequently used to tab over to the search box and favorites.

Does anyone know a way to revert or disable this behavior without completely disabling the auto complete window under that address bar? Alternatively, whatever shortcut keys now cycle through address bar items.

Asked by rb0014 10 hours ago

Preventing addons from automatically opening tabs

Hi, I would like to know how to control whether my add-ons should open their tabs automatically. I have alot of add-ons, and once in a while, probably after updating betw… (read more)

Hi, I would like to know how to control whether my add-ons should open their tabs automatically. I have alot of add-ons, and once in a while, probably after updating between two periods of time when using Firefox, add-ons would open their about pages, settings, home pages, etc. Can you please tell me how to assign what add-ons can open their pages automatically? That should save me from some lags and also a bit of time spent. Thanks!

Asked by Chang Li 12 hours ago

Amazon Tablett "fire HD 10" mit FireFox Browser

Guten Abend, ich habe ein Problem beim FireFox-Browser auf einem Amazon Tablett. Es wäre schön, wenn Sie mir Hinweise zur Fehlerbeseitigung geben könnten. Danke. Meine F… (read more)

Guten Abend, ich habe ein Problem beim FireFox-Browser auf einem Amazon Tablett. Es wäre schön, wenn Sie mir Hinweise zur Fehlerbeseitigung geben könnten. Danke. Meine Frau und ich nutzen seit ca. 2 Jahren das oben genannte Tablett 'fire HD 10' von Amazon. Auf dem Tablett haben wir die FireFox App installiert. Sie funktionierte bis gestern ohne Probleme. Als wir das Tablet heute Abend wieder mit FireFox benutzen wollten bekamen wir die Absturz-Anzeige (wie im Bild). Als Erste Massnahme habe ich den Cash der FireFox App gelöscht. Dann das Tablett nach aktueller Software suchen lassen und die Software des Amazone-Tablett anschlissend aktualisiert. Der Fehler blieb. Abschließend habe ich dann noch die FireFox App deinstalliert sowie aktuell aus dem PlayStore von Google runter geladen und installiert. Allerdings bleibt der Fehler weiterhin bestehen.

=========================now in english===========================

Good evening, I have a problem with the FireFox browser on an Amazon tablet. It would be nice if you could give me some troubleshooting tips. Thank you. My wife and I have been using the above mentioned tablet fire HD 10 from Amazon for about 2 years. We installed the FireFox app on the tablet. It worked without any problems until yesterday. When we wanted to use the tablet with FireFox again this evening, we got the crash display (as in the picture). As a first measure, I deleted the FireFox app's cash. Then let the tablet search for the latest software and then update the software of the Amazone tablet. The mistake remained. Finally, I uninstalled the FireFox app and downloaded it from the Google PlayStore and installed it. However, the error persists.

Asked by Rolf 14 hours ago

Second tab of last session dissapeared

I'm not sure how, but sometimes when closing firefox with or without a restart of the pc, the second tab of my last session dissapeared. The first tab is my mail and stay… (read more)

I'm not sure how, but sometimes when closing firefox with or without a restart of the pc, the second tab of my last session dissapeared. The first tab is my mail and stays, but the second tab is sometimes missing. If I close now the browser and start the browser again, the second tab is still there, but today I didn't restart the pc but firefox was closed for a while, I am missing the second tab. The second tab I have now, was the third tab before.

I'm running Windows 10 (Version 2004) and firefox 83.0 (64-bit) and have 157tabs open at the moment.

Asked by wouter_berg 14 hours ago

Shortcut Creation for Ubuntu 20.04.1

I have switched from Windows 10 to Ubuntu 20.04.1 and am having trouble creating website shortcuts now. With Windows I used the following method [Support - Create a des… (read more)

I have switched from Windows 10 to Ubuntu 20.04.1 and am having trouble creating website shortcuts now. With Windows I used the following method

From my research it looks this is supposed to work with Ubuntu as well? It is not working for me, is this possible?

Asked by Justin Reina 15 hours ago

What if I was on an untrusted site?

Some people say "I'm not visiting unknown sites with my browser". I'm not saying that I'm not visiting unknown ones, but still trying avoid sites that I doubt it. But wh… (read more)

Some people say "I'm not visiting unknown sites with my browser". I'm not saying that I'm not visiting unknown ones, but still trying avoid sites that I doubt it. But what if I accidentely visit some, VirusTotal showed no viruses. How can I be sure that my browser isn't affected. Should I reinstall it, wipe some folders? I use Linux, Firefox 83.0.

Asked by R S 15 hours ago

Issue playing HLS streams

Been watching streams for a while. Twitch.TV works perfectly well, Piczel.TV is alright too. I do however have constant issues with any kind of live stream when using Pic… (read more)

Been watching streams for a while. Twitch.TV works perfectly well, Piczel.TV is alright too. I do however have constant issues with any kind of live stream when using Picarto.TV- It seems like the stream just doesn't want to load for long- it will work for a little but and then start an endless buffering cycle which can only be broken by refreshing the entire website, rinse and repeat. I tried cleaning my cookies once which didn't help. Using Firefox's installer to run a "fix" didn't help either, and a fresh install *did* work, but only for a little bit before it started happening again. The option in Picarto to switch the HLS player tech to mp4 doesn't work. Any advice?

Asked by FayingaV1 16 hours ago

Change to a new computer

Hi! I want to change the Computer or want make my computer new, whats means I want start my Computer like brand new, before I install MacOs11. Now the question: How can … (read more)

Hi! I want to change the Computer or want make my computer new, whats means I want start my Computer like brand new, before I install MacOs11. Now the question: How can I take or save all the Passwords, the tabs, the links etc to the "new" computer? Thanks! Willi

please answer in a simple english, mys is not so well to understand all spezial english words. Thanks

Asked by w.nebelung 16 hours ago

On screen keyboard won't stay up when in windows tablet mode

Using a surface Pro 7, after the latest update the on screen keyboard won't stay up. While in tablet mode It will appear for a fraction of a second then disappear. When … (read more)

Using a surface Pro 7, after the latest update the on screen keyboard won't stay up. While in tablet mode It will appear for a fraction of a second then disappear. When in desktop mode though without a keyboard it does appear, and stay up

Asked by rtpevehouse98 17 hours ago

Some URL's Not Opening Correctly

When I click on some email links usually in emails from retail businesses they will not open correctly in Firefox. However, if I copy and paste the URL into Chrome or Ed… (read more)

When I click on some email links usually in emails from retail businesses they will not open correctly in Firefox. However, if I copy and paste the URL into Chrome or Edge, they open just fine.

For example, this marketing URL from Best Buy, https://urldefense.proofpoint.com/v2/url?u=https-3A__click.emailinfo2.bestbuy.com_-3Fqs-3D2c6fa7baf73a68394f3ef56f26a5ad4a91bf0d9f686f2b0ed29326c0b3102d71d175b2209e2d83ca9eb0a1c1c7f163459f482c262ab2f4b26e58d62e7e4ef834&d=DwMDaQ&c=Cu5g146wZdoqVuKpTNsYHeFX_rg6kWhlkLF8Eft-wwo&r=9BjfmubiD4w2fwyJ_mt0mXwRdrhPtBnR3BAlDr2MwcQ&m=xvBFPqHCMmKNSkl4SAZiIQPLiCSPMVea48hGa-JthqE&s=kL922_I7zxhJzD_n1NTyMLI41WY789i3-OLoyhAoSLE&e=

results in the the Best Buy message, "We’re sorry, something went wrong. You can use our search bar or pick a category below. If you typed in a URL, check it for errors."

However, the link works just fine in Chrome and Edge. This problem seems to have surfaced about a month ago. Is there some Firefox setting that I'm overlooking that is causing this?

Thanks

Asked by huskertech 17 hours ago