Re: Retrieving a webpages shows a blank screen when a 4xx HTTP status is returned. Not helpfull.

Dave Royal<[email protected]> Sat, 23 Jan 2021 11:40:13 -0600

Newsgroups	gmane.comp.mozilla.general
Message-ID	<[email protected]>

R.Wieser <[email protected]> wrote:
> Dave,
> 
>> It says fixed in 54. If it were backported to 52.n it would say fixed in 
>> that.
> 
> I've just checked on https://www.mozilla.org/en-US/firefox/releases/ , but 
> all that I see are security fixes.  That means I'm either looking at the 
> wrong webpage, or the bugfix has not been backported.
> 
> ... the last version that will run on XP (and ESR to boot), and it has such 
> a game-changing bug.  Oh well.
> 
Greasemonkey has background scripts. Does it work in 52?
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