15
votes
Accepted
Firefox, the cookie monster?
Firefox should be happy once again. The `.ASPXBrowserOverride` cookie is no longer being served. Fun fact: we resolved this issue on the whole network back in October 2012. Here is the fix, just '...
14
votes
Is anybody else having PKI problems connecting using Firefox 67.0?
We have worked with our CDN provider to roll back a change that was made enforcing OCSP Must-Staple. Firefox should be back in business, sorry for the interruption. To keep up to date follow our ...
10
votes
Accepted
Why doesn't the spell-checker work in question titles in Firefox?
Stack Exchange doesn't provide spell checking at all. It is your browser doing that, and it does work for question titles too on Chrome:
On Firefox though it can be an issue, although out of the ...
10
votes
Comment timestamp is not showing in Firefox ESR
This is a really bad browser bug. And while we don't officially support FF 52, it seems used widely enough (because it's ESR) that this issue is probably worth working around.
Basically, the layout ...

balphaStaff
- 152k
8
votes
Upload an image by pasting in Firefox
The image uploader already supports pasting an image, in browsers that support it.
Just copy the image, open the image upload dialog box in the Stack Exchange editor, and paste. It's all done in ...
8
votes
Can't post result alone surrogates because of jQuery raising "malformed URI" bug (Firefox only)
It's impossible
It actually is! Splitting up a UTF-16 surrogate sequence gives you two strings each with a single surrogate in. JavaScript can cope with this because its strings are internally no ...
7
votes
The new post timeline view changes alignment when line items are expanded
Pinpointed. The parent row is being set to display: block via an inline style, so it isn't being rendered as part of a table anymore and colspan gets completely ignored on the cell. Things just kinda ...
7
votes
Accepted
Winter Bash 2019 resources cause a browser warning in Firefox
Content-Type should now be provided. Warnings should be gone.
6
votes
Accepted
What is exactly displayed on the upload progress indicator?
tl;dr A normal spinner
I tried to find this out by looking on how this spinner is generated. Fortunately Stack Exchange documented their styles quite well on stackoverflow.design. They developed a ...
5
votes
Accepted
What Stack Exchange domain names do I need to white-list to handle smooth login credential transfer?
Off the top of my head, you'll want stackexchange.com, openid.stackexchange.com (assuming you use that), stackoverflow.com (and any other custom-domain sites of ours you may be logging into), ...
5
votes
Accepted
Is it possible for firefox's awesome bar to search my stackoverflow favourites (bookmarks)?
You can use a keyword search to add a custom search for Stack Overflow favorites:
Bookmark the URL
https://stackoverflow.com/search?q=infavorites%3Amine+%s
In the bookmark dialog, give this bookmark ...
5
votes
Why are comments overlapping the sidebar?
This is a pretty common display bug that can be triggered in many ways: silly Unicode tricks, long code blocks, broken MathJax, missing MathJax delimiters, changing the font size in Chrome or in ...
5
votes
Accepted
Reputation misaligned in new topbar
Thanks for reporting. I have pushed a fix internally, and now waiting for the next build for the fix to be published across the network.
Should be status-completed in couple hours.
5
votes
Comment timestamp is not showing in Firefox ESR
We're doing some design overhaul on how comments are displayed; you can expect some weirdness while that's going on even though we're doing our best to test prior to pushing. No changes are going into ...
4
votes
Accepted
Firefox 'Untrusted Connection' warning when logging in any site of StackExchange
Your connection is MITMed by your Avast! antivirus. You can disable that somewhere in Avast! options (like HTTPS filtering or Web/Mail Shield preferences).
4
votes
Accepted
The new post timeline view changes alignment when line items are expanded
We all love Firefox's rendering engine quirks. Especially when they break jQuery's toggle().
Fixed by using toggleClass("dno"), but... seriously Firefox.
Fix is going out in rev 2015.12.23.4024 (...
4
votes
Accepted
Every time I comment, I have to refresh my browser to see it
The developer of uGet Integration addon is here.
This problem occurs if an addon loads content scripts into the addon.
I have fixed the problem and released new version 2.1.1 with the fix. Please ...
4
votes
Accepted
Unable to select values from Data Explorer results (firefox bug only)
Someone had already done the hard work of patching SlickGrid, so I forked the project and applied their changes (as the SlickGrid maintainer isn't able to work on the project right now), and then ...
4
votes
My corporate proxy doesn't support web sockets, which makes Stack Exchange a pain to use
Now that Firefox has removed the preference that would allow a user to disable WebSockets, I decided to tackle this problem on my own and wrote WebSocket Disabler — a Firefox add-on that does ...
4
votes
Comments with MathJax not rendered on Firefox ESR
As noted in the comments to the post Comment timestamp is not showing in Firefox ESR, there are two workarounds for now for Firefox ESR 52.6.0.
Click on "show xx more comments" (if this is present).
...
4
votes
Accepted
Site icons are squashed in the newsletters page in the Firefox browser
The icon squash issue has been fixed recently.
Screenshot for reference:
I can verify in Mozilla Firefox 66.0.3 (64-bit).
4
votes
Accepted
Ctrl + shift + Z undoes when it should redo
It does not undo, it already does redo. Here is a simple test: Go to the answer box below, type something, and delete it. Then click the undo button, and you will see the redo button highlight. ...
3
votes
Bug in textarea in bounty creation popup
I've removed the overflow style from the div.
With you in the next build.
3
votes
"Markdown editing help" button in the question asking view is misplaced
It's been more than a year since this was posted, but The bug is still here
I'm running Firefox version 45.0.2, and I also see the formatting issue
3
votes
How do I block/disable the images in a chat room?
You could use a userstyle:
.user-image, .ob-youtube { display: none; }
There is a page with instructions on how to use userstyles that has directions for both Firefox and Chrome.
3
votes
Shield icon in Firefox: Tracking attempts blocked
Firefox now blocks cookies from third party sources that only purpose is to track the user across the web in order to "profile" based behavior patterns of users anonymously (the rise of algorithms and ...
3
votes
Performance delay in editor when moving to a blank line
I've encountered this bug mostly on SO but also on SE (using Windows 10 Pro version 20H2 with Firefox 92.0). It's exactly as described. I'm under the impression it's not a delay but the cursor blink ...
2
votes
Why doesn't the spell-checker work in question titles in Firefox?
Input elements in Firefox are not spell checked by default. Users can make it the default by changing layout.spellcheckDefault to 2 in about:config (reference).
Websites can enable spell check in ...
2
votes
Accepted
Not able to search based on tag in career site
There was an outage around the time you reported this causing the error.
This has since been fixed.
Only top scored, non community-wiki answers of a minimum length are eligible
Related Tags
firefox × 210bug × 126
support × 70
design × 45
status-completed × 32
login × 31
status-norepro × 15
discussion × 14
feature-request × 14
comments × 13
chat × 12
stack-overflow × 9
top-bar × 9
javascript × 8
status-declined × 6
user-interface × 6
mobile-web × 6
openid × 6
editor × 6
search × 5
markdown × 5
ssl × 5
images × 4
security × 4
keyboard-shortcuts × 4