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Mozilla Firefox snap for Ubuntu changes browser.opaqueResponseBlocking

  • 6 odpovedí
  • 0 má tento problém
  • 1 zobrazenie
  • Posledná odpoveď od zeroknight

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Why does the Mozilla Firefox snap for Ubuntu keep changing the value of browser.opaqueResponseBlocking away from the default and selected FALSE setting to TRUE? This makes Firefox nearly unusable since the streaming video keeps being cut off when Mozilla Firefox snap for Ubuntu keeps changing the value of browser.opaqueResponseBlocking randomly during use. Specifically this is the 116.0.2 (64-bit) Mozilla Firefox snap for Ubuntu canonical-002 - 1.0 that is installed with Ubuntu 23.04. Please advise.

Why does the Mozilla Firefox snap for Ubuntu keep changing the value of browser.opaqueResponseBlocking away from the default and selected FALSE setting to TRUE? This makes Firefox nearly unusable since the streaming video keeps being cut off when Mozilla Firefox snap for Ubuntu keeps changing the value of browser.opaqueResponseBlocking randomly during use. Specifically this is the 116.0.2 (64-bit) Mozilla Firefox snap for Ubuntu canonical-002 - 1.0 that is installed with Ubuntu 23.04. Please advise.

Vybrané riešenie

Thank you. It seems that Firefox 'studies' Page load time patch was enabled and that appears to be changing browser.opaqueResponseBlocking settings. After opting out of this 'study' and resetting browser.opaqueResponseBlocking settings the problem has not returned.

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Všetky odpovede (6)

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Hi

I am using the Snap myself in Xubuntu 22.04 and do watch videos without a problem. I have not changed any settings in about:config and videos play just fine and are not interupted.

Do you use any add-ons in Firefox?

Have you tried updating the Snap to 116.0.3? Does this help?

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You may have an extension which is changing the preference. You could try restarting in troubleshoot mode. It's possible also that your distro imposes a policy or uses an autoconfig file. You could enter about:policies in the address bar to see whether there's anything there.

https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems https://support.mozilla.org/en-US/kb/troubleshoot-issues-related-to-add-ons


https://support.mozilla.org/en-US/kb/customizing-firefox-using-policiesjson https://support.mozilla.org/en-US/kb/customizing-firefox-using-autoconfig

Upravil(a) Terry dňa

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@Paul, Thanks. I updated the Snap to 116.0.3, which begs an unrelated question as to why Ubuntu does not update the snaps; however, the behavior is the same. Also ran Firefox in safe mode and the behavior is the same. On a different computer running Ubuntu 22.04, where the default Firefox is not installed with snap, the problem is not present using 116.0.3, so this appears to be either a snap issue or a 23.04 issue. Also, FYI in this context, streaming video is coming from ZoneMinder; however, this is just a symptom, the fact that something is changing the default value of browser.opaqueResponseBlocking is the problem. @Terry, Thanks. No change while Firefox is in safe mode. Checking about:policies shows nothing that could impact this.

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browser.opaqueResponseBlocking is currently enabled in early beta and earlier, so it will be true for the first 7 beta builds and then switch to false until the next major version. You can see which channel you are using with the command:

snap info firefox

If you are not using the beta channel, it could be an experimental rollout to detect breakage. You can see if you are involved in an active study by visiting about:studies or a remote feature by visiting about:support#remote-features.

If you are sure this setting alone is breaking ZoneMinder media streaming in a new profile, you should report it on Bugzilla.

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Vybrané riešenie

Thank you. It seems that Firefox 'studies' Page load time patch was enabled and that appears to be changing browser.opaqueResponseBlocking settings. After opting out of this 'study' and resetting browser.opaqueResponseBlocking settings the problem has not returned.

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There is no guarantee it will remain optional if breakages are not reported on Bugzilla.