Many people on the net are reporting a bizarre bug that prevents the Firefox browser from loading some websites: the problem seems to affect any version of the program, whether for Mac, Windows and Linux. Developers are already working on a new version to fix the problem, but in the meantime there seems to be a workaround to get around it until the software can be updated.

Basically, users affected by the problem find themselves with perpetually loading tabs, which then remain with the wheel spinning without the page being shown. According to what we learn the bug that prevents the loading of pages would be related to a problem of infinite loop related to the implementation of HTTP3 in Firefox, which would then lead to a total block of the browser.

According to the theory of the moment practically one of Firefox’s data analysis services was recently updated and the browser can’t fully support it. This bug – they say – has been around for a while, but it only surfaced now because only recently Firefox tries to connect to the data analysis servers almost immediately after starting the software.

Fortunately, at the moment very few websites are working with HTTP3, while all others are using earlier versions of this standard. This means that the ability to process websites in HTTP3 is not yet a prerogative of browsers because much of the web is still behind. However, if there is even one website that you cannot see from Firefox, you simply need to disable its loading from the settings.

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First, open a new window and type “about:config” in the address bar to quickly get to the settings screen. From there, look for “network.http.http3.enabled” and set it to “false” to disable HTTP3, then close the tab and restart Firefox completely.

This way you can browse the web smoothly, but keep in mind that when the bug will be fixed with one of the next updates, you’ll have to do this procedure again and set it to “true” so that you can use the HTTP3-dependent services that will come later. Alternatively, you can temporarily switch to another browser such as Safari, Chrome, Edge and the like.

We note finallye that this problem affects only the desktop version of Firefox for Mac, Windows and Linux, while the iOS version uses a different rendering engine, the WebKit, which is the same as Safari, this is because Apple for security reasons – it says – does not allow third-party browsers to use different engines.

On the pages of macitynet find hundreds of tutorials for Mac, iPhone and iPad from their respective links.