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www.twitch.tv - see bug description #237341

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Description

@webcompat-bot

URL: https://www.twitch.tv/krokoboss

Browser / Version: Firefox 157.0
Operating System: Linux
Tested Another Browser: Yes Chrome

Problem type: Something else
Description: Audio doubles after some time and keeps playing when i mute the audio inside twitch
Steps to Reproduce:
Title: Twitch: audio plays twice with a delay, second track ignores player mute

Description
When watching any Twitch stream, the audio starts playing twice after
some time, with a small delay between the two audio tracks.

Steps to reproduce

  1. Open any Twitch stream
  2. Keep watching for a while
  3. The audio doubles, with the second track slightly out of sync

Observed behavior

  • Muting the stream in the Twitch player only mutes one track; the
    second, out-of-sync track keeps playing
  • Muting the tab silences everything

Expected behavior
Only one audio track plays, and the Twitch mute button silences it.

Environment

  • Zen version: Mozilla Zen 1.23.2b (updated to the latest release today)
  • OS: nix (NIX) 2.34.8

Additional info

  • Happens on every stream, not tied to a specific channel
  • Not reproducible in Chrome on the same machine
Browser Configuration
  • blockList: basic
  • channel: release
  • defaultUserAgent: Mozilla/5.0 (X11; Linux x86_64; rv:157.0) Gecko/20100101 Firefox/157.0
  • gfx.webrender.software: false
  • hasTouchScreen: false
  • layers.acceleration.force-enabled: false
  • frameworks: {'fastclick': False, 'marfeel': False, 'mobify': False}
  • mixed active content blocked: false
  • mixed passive content blocked: false
  • tracking content blocked: false
  • btp has purged site: false

View console log messages

From webcompat.com with ❤️

Activity

  1. added this to the needstriage milestone on Oct 11, 2026
  2. changed the title [-]In the moderation queue.[/-] [+]www.twitch.tv - see bug description[/+] on Oct 12, 2026
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