Firefox 社群討論區

I am unable to make or receive video calls in Facebook and WhatsApp. I used to be able to in Facebook. The message I get is that my browser doesn't support video calls. What is wrong?

usually when i click my keyboard's knob thing, it will pause and unpause whatever media is playing. but recently it's stopped doing that. it will work for anywhere between 2 mintues to 30 minutes, but eventually it stops. the only way to make it work again is to refresh the page or start a new page. the troubleshooting steps i've taken is: -close other media software (spotify, other tabs etc) -gone to abouy:config and typed in mediakey to check it works. also turned it off and on for good measure -turned off xbox gamebar -turned my pc off and on again. none of those worked i also thought it might be autoplay being turned off, but it didnt do anything. please help. thank you

Summary

When using the Spotify Web Player in Firefox, Bluetooth audio devices disconnect whenever the playback position changes (automatic track transition or manual seek). The issue does not occur in Google Chrome or other media applications.

Environment Firefox Version: 153.0.1 (64-bit, Release) Operating System: Windows 11 Home 25H2 (Build 26200) Laptop: Lenovo ThinkPad E14 Gen 5 (AMD Ryzen 5 7530U) Audio Backend: WASAPI Graphics: WebRender Bluetooth Device Tested:

• Google Nest Mini (Bluetooth mode)
• boAt Stone 1010 (same behavior)

Problem Description Spotify Web Player starts playing normally through a Bluetooth audio device.

However, whenever:

• the current song automatically changes to the next track, or
• I manually seek within a song (forward or backward), or
• I manually switch to another track,

the following happens: 1. Spotify continues playing (the progress timer keeps increasing). 2. No audio is heard after the track transition or seek. 3. The Bluetooth device remains connected for approximately 15–18 seconds without receiving audio. 4. After about 15–18 seconds, the Bluetooth device disconnects automatically from Windows.

The Bluetooth disconnection appears to be a consequence of Firefox no longer sending audio after the media transition.

Expected Behavior Audio should continue immediately after:

• automatic track changes,
• manual seeking,
• or switching tracks,

without interrupting the Bluetooth audio stream or disconnecting the Bluetooth device.

Actual Behavior

• Spotify playback timer continues.
• No audio is produced.
• Bluetooth audio stream becomes silent.
• Approximately 15–18 seconds later, the Bluetooth device disconnects.

What I Tested Works correctly

• Spotify Web Player in Google Chrome
• VLC Media Player
• General Windows audio playback

Fails consistently

• Spotify Web Player and youTube web in Firefox 153.0.1

The issue is reproducible with multiple Bluetooth audio devices, indicating it is not specific to a single speaker or headset.

Additional Observations

• Opening other Firefox tabs or using other applications does not disconnect Bluetooth.
• The issue only occurs when Spotify and YouTube changes its audio stream (track transition or seeking).
• Bluetooth remains stable while audio is continuously playing.
• The disconnect only occurs after Firefox stops outputting audio during a track change.

Firefox Information

• Audio Backend: WASAPI
• Graphics Compositing: WebRender
• Hardware acceleration available
• No crashes reported

Steps to Reproduce 1. Connect a Bluetooth speaker or headset to Windows. 2. Open Firefox. 3. Open Spotify Web Player. 4. Start playing music. 5. Wait for the next song to start automatically, or manually seek forward/backward or switch tracks. 6. Observe that audio disappears immediately. 7. After approximately 15–18 seconds, the Bluetooth device disconnects automatically.

Frequency 100% reproducible on my system.

I would like to be able to turn off preload of videos (and images) so that I can watch a page with a lot of videos and only load those that I want to see. This is important if you don't have a high bandwith or a lot of data. I am sure I have done this before but now I am not able to achieve that.

Thank you in advance, Virtually yours, David

Hello, I am hoping someone can help me. I am getting white pixels/lines during youtube play back. There is only ever one at a time. I do not get it every time I watch a video. The lines move with the player if I move the browser.

I have tried: Updating Firefox/drivers Turning Hardware acceleration on/off Setting Firefox to use the dGPU Changing the Optimus mode

I am using Windows 11 and have a Legion 7i Pro Gen 8

I have uploaded an image that shows the line. The line appears in the grass on the right.

Many thanks

Hello Firefox support. I'm having trouble joining meetings in calling applications where I stream my screen from my laptop. I tried several different applications on my Windows 10, and unfortunately, in the Firefox browser, the audio doesn't work at all in various different applications, which reveals that the problem isn't the app. I couldn't find help in Mozilla support, so I'd like to know how I can stream my screen (either full screen or in browser, etc.) along with the audio so that everyone in the meeting can hear the sound of my computer. Thank you.

My Firefox auto updated to version 158.0 the other morning and since then, the Twitch video player fails to work. I'll try to watch a stream, but the video player will stay black with a constant "buffering" icon. There was no issue the night prior, before my browser updated.

I've tried watching Twitch on another browser and had no issues.

I was watching some German video (not on YouTube) and needed the subtitles translated into English. The translation itself was great, but as the video went the subtitles were switching from original language to translated, making it almost impossible to read them. The subs are fine when I press 'pause', but pressing it all the time in the moment of a long dialogue for example is inconvinient. I wonder if there's a way I can fix it myself in the browser's settings, or if it's a bug that will be fixed in future updates

After updating to 156.0, taskbar no longer hides it self on full-screen videos. I tried: Restarting the browser and computer Restarting the explorer process Enable/disabling auto hide feature on windows.

So far, the only way that my taskbar hides while i'm watching a full-screen video, is to have the whole browser on full-screen (F11).

When I'm on websites such as Reddit or Facebook, and I'm scrolling down, if I come across more than one post where there is a video, the screen will start to flicker. Only one video will play, but the screen flickers. If there is only one video on the screen, it is fine.

I can turn off Hardware Acceleration and this will resolve the issue, however, when I go to other sites such as Apple TV or GeoGuessr, the sites lag until I turn Hardware Acceleration back on.

The issue seems to be between Hardware Acceleration and when multiple videos are loading on a page.

For the past month, out of the blue, I have been unable to play Spotify via my web browser. After troubleshooting with Spotify chat, it seems the issue is actually Firefox, because if I choose to play it via the app installed on my computer, it will play, but not via the web browser.

It was display "Spotify can't play this right now".. then it will skip through three songs, play ads & then will play the first 10 seconds of audio of the next song & then it will cut out.

Anyone else experiencing issues with Spotify via the Firebox web browser?

Playback occasionally lags really hard for 1-2 seconds anytime I watch a video. This goes for all websites, not just youtube. It seems disconnected from buffering as it will happen even when the video is totally loaded. It doesn't lag out any other tabs, and switching to a different tab and back always fixes it (for that moment). I've already tried disabling hardware acceleration and webgl, but nothing changed. It happens about once every minute no matter what. I have a high-end pc, so that shouldn't be the problem. (or maybe it is, and firefox isn't optimized for some bit of hardware that I have) Thank you ^_^

It was working fine until the day before yesterday. The volume of the speaker got low before it stopped working. The PodCast and Vimeo are working fine. So it is not the problem of my computer speaker.

I use earbuds to listen to the audio on my desktop computer via Bluetooth. I have a number of pairs of earbuds plus hearing aids. Recently this feature just stopped working one day. I've used Troubleshoot and haven't found a fix yet. I know how to pair to Bluetooth, etc. The number of settings in Firefox and Win 10* that might affect bluetooth are mind-boggling. Anyone have any ideas? Please?

• I got an extension from MS to continue updates to my Win10 for some period of time.

My computer won't run Win 11. Telling me to get a new computer is not helpful, I'm afraid. Appreciate all suggestions! :) Kathy

From below box marked Troubleshooting Information: {"securitySoftware": {"registeredAntiVirus": "Avast Antivirus", "registeredAntiSpyware": "", "registeredFirewall": "Avast Antivirus"}, "environmentVariables": {"MOZ_APP_RESTART": "1", "MOZ_CRASHREPORTER_DATA_DIRECTORY": "C:\\Users\\<USERNAME>\\AppData\\Roaming\\Mozilla\\Firefox\\Crash Reports", "MOZ_CRASHREPORTER_EVENTS_DIRECTORY": "C:\\Users\\<USERNAME>\\AppData\\Roaming\\Mozilla\\Firefox\\Profiles\\1ZpViRhp.Profile 1\\crashes\\events", "MOZ_CRASHREPORTER_PING_DIRECTORY": "C:\\Users\\<USERNAME>\\AppData\\Roaming\\Mozilla\\Firefox\\Pending Pings"}, "lockedPreferences": {"extensions.formautofill.creditCards.os-auth.locked.enabled": false, "fission.autostart.session": true, "media.utility-process.enabled": true, "signon.management.page.os-auth.locked.enabled": false}, "media": {"currentAudioBackend": "wasapi", "currentMaxAudioChannels": 2, "currentPreferredSampleRate": 48000, "audioOutputDevices": [{"name": "Speakers / Headphones 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