YouTube videos at 4k lagging/buffering using vp09 codec

Example video I have issues with: (https://www.youtube.com/watch?v=udXuzXhb9WY) I can't watch youtube videos smoothly using the vp09 codec at 4k/1440p [Codec: vp09.00.51… (read more)

Example video I have issues with: (https://www.youtube.com/watch?v=udXuzXhb9WY)

I can't watch youtube videos smoothly using the vp09 codec at 4k/1440p [Codec: vp09.00.51.08.01.01.01.01.00 (313) / opus (251)]. Constant buffering, lag, pausing of the video or just not playing at all keeps occurring with the video I put above for example, and other videos using the same codec.

My internet connection is very quick in fact, with getting ~90mbps upload/download. My computer specs are good, having an i7 12700kf and an rtx 3060 with 64gb of ram. All my drivers are on the latest version. The video I linked above plays for about 10 sec before not loading more of the video and just infinitely loading (The main issue that is causing this to happen is that when I open stats for nerds, the buffer health isn't being updated).

I tried various solutions online that I found on forums, such as forcing av1 encoding, which fixes the issue, however on that specific video I linked, keeps the quality at 1080p, which probably is a issue on youtubes part and the file format of the video. I tried many other fixes.

On microsoft edge, the video plays fine with no playback stutters or anything. I don't have any 3rd party extensions installed that may affect the video playback. I did a lot of things to eliminate as many variables as possible, but the issue persists. I did a full reinstall of the browser, reseting cookies and temp data and also trying the nightly version of firefox, but non of those fixes worked. Basically everything I thought of I did.

Like I mentioned before, this issue is NOT only for the youtube video I linked, but its for all videos using just the vp09 codec for the 4k/1080p quality. The only fix I did find for that video is actually while writing this, I left the tab open for the youtube video for a while then played it and it played smoothly with no interruptions and the buffer health was constantly being updated, but after refreshing the page, it was the same.

From what I can remember this issue hasn't been happening for the lifespan of my pc (less than 6 months), and I cannot remember when the issue started happening. It seems to be pretty recent (maybe 2-3 months if I were to guess). At first I started tolerating it and thought it was a small bug since it only happened on videos I played at 4k using the vp09 encoder, but now its really frustrating and makes it possible to watch most 4K content. Some videos I notice when it starts buffering, it resorts to an alternate av1 codec for 4k video, but its only for certain videos. Unfortunately I cannot back track and see what started this issue.

Here is some additional info:

   Windows 11
   NVIDIA Game ready driver version (555.85)
   No abnormal resource usage (Gpu, Cpu ram etc.)

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Dear Firefox Support, I am writing to report an issue I am experiencing with Firefox Stable (v.126.0) when attempting to access the URL https://ibb.co. This URL is suppo… (read more)

Dear Firefox Support,

I am writing to report an issue I am experiencing with Firefox Stable (v.126.0) when attempting to access the URL https://ibb.co. This URL is supposed to redirect to https://imgbb.com, but instead, I encounter the following error:

Secure Connection Failed An error occurred during a connection to ibb.co. PR_CONNECT_RESET_ERROR

This issue seems specific to Firefox Stable, as I am able to access the URL without any problems on chromium-based browsers (Chrome and Arc) and Safari. Additionally, the URL works correctly on Firefox Nightly (v.128.0a1).

I have attempted several troubleshooting steps, including:

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Unfortunately, none of these methods have resolved the issue.

Could you please assist me in resolving this problem? Any guidance or further troubleshooting steps would be greatly appreciated.

Thank you for your support.

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