I-Firefox Community Forum

I am no longer able to open in Mac Preview or save when hitting Command + P, then 'print using system dialog'. It will only print instead. For instance, I save certain web pages as PDFs using the print dialog and now it will only print when trying to use either the save or preview options. Command + P, print using system dialog, then I choose either save as PDF or open in Mac Preview, but as soon as I do one of these it will only print. I am able to use save in the drop-down list of printers, but I need to be able to open in Mac Preview.

Fire fox is automatically playing videos/sound or both if I click on a tab that has that or also in facebook, etc. How do I stop this? I want to be able to click play when I want to hear/see something.

The AccuWeather part of the Firefox homepage says I'm in Portland, Oregon, USA, but I'm not even in the same country. I tried to change it according to the directions I found earlier, but the only drop-down for my city was another city in the US but none in any other countries. So now I can't change my location. How do I change my location? It wasn't like this yesterday and I have no memory as to how it became "Portland, Oregon" since last night. I don't even have a VPN so it isn't that. How do I change it back to my area without using my exact location?

Hey everyone!

I just noticed that post FF's 150 update, I can no longer drag and drop folders into my DSM window. This has been a non issue for over 6 years and all of a sudden, poof. I did find that you can still to this on Safari, but long term, Mozilla and Synology need to address this. There's already a post on the Synology fourms about it and I've emailed their Support Team to see what they have to day. Posting this here in case anyone has found a workaround in the Config settings pane.

Thanks! --Brian

As of a few days ago whenever I start Firefox the window appears with the Bookmarks sidebar panel already opened. I click the "X" on the sidebar and it will close - until the next time I start Firefox. If I choose Menu->View->Sidebar->Bookmarks and uncheck it the panel will close - until the next time I start Firefox. No matter how the Bookmarks sidebar is closed, it will always reappear when Firefox is restarted. Even if I switch to some other sidebar, Bookmarks will replace it on startup.

I've searched about:config and found no setting which seems to control sidebar behavior on startup.

I assume this is the result of some recent update. Is there no longer a way to permanently disable the Bookmarks sidebar?

MacOS 12.7.5 Firefox 127.0 (64-bit)

Myself and a colleague who both use Firefox on Mac are experiencing the exact same issues.

1. Table header cells don't show their text, unless we specify a font for the table

I tried to put an example of the HTML here but it was rendered as a table by this page. I'll add some images of the code instead to show it.

In Firefox the Header cells are not visible, but in Chrome the text appears correctly.

If we add CSS like...

<style> table { font-family: Arial, Helvetica, sans-serif; } </style>

...in the header then the missing text in the THs appears.

2. Other font issues

The Wave accessibility extension has text that doesn't appear and throw errors like this in the console...

downloadable font: rejected by sanitizer (font-family: "Open Sans" style:normal weight:400 stretch:100 src index:3) source: moz-extension://b86260c9-33f6-4529-b12f-a101d8607bd4/styles/open-sans-v17-latin-regular.woff

These only occur on Firefox on our Macs. Fine on PC and other browsers on the Macs.

We tried a whole series of tweaks to settings to try fix this.

I have tried resetting Firefox and doing a fresh install but nothing fixes either issue. Are these known issues with recent Firefox releases on Mac?

I just bought my boyfriend a new iMac. We are having trouble loading many sites and platforms using the latest Firefox browser. The list is growing but includes Facebook, Meetup, Wikipedia, chess.com, nytimes.com - in all cases, rather than a login screen, we get an error message or a home page loads with no access to other pages or login area. I've cleared the cache, restarted, tried going directly to the site to log in, but nothing works. Everything is fine when using Chrome, but we prefer Firefox. Is this a conflict in the new Apple OS? Is there a fix?

macOS 15.6 Firefox 141.0.3 - my preferred browser

I've seen a number of posts regarding this problem since the Firefox 141 update. I've tried a number of suggestions, although my problem seems slightly different.

I can apparently login to reddit OK but when I try to access a subreddit thread, a warning comes up - see image.

I have cleared Firefox site data, cookies, cached files, etc - problem remains.

I have restarted Firefox in Troubleshooting mode - problem remains, so not an extension.

However, https://old.reddit.com has no problems with Firefox, lets me access threads, etc and comment.

No problems accessing reddit with Safari or DuckDuckGo browser.

Hello Everyone,

I now do have the VPN button on my toolbar but when I click on "Turn On VPN" nothing happens. I am logged in in my Firefox profile through the VPN settings under Privacy and Security.

I am on Mac OS 15.7.7, Firefox 151.0.1.

Why am I not able to turn on the VPN?

Thank you.

Hi, after latest update just now, the browsers uses up to 45gb of ram within a few minutes! Not sure what it is, I am on MACOS Sequia Version 15.6.1 (24G90) macbook pro M1

Seems like when I tried logging in to my old account with a password reset, I somehow created a second account with the same email.

All my bookmarks and extension set ups seem to be gone.

Never had this issue, and have been using the same firefox account for like 5 years.

www.russellmoccasin.com won't load properly on any browser on my macbook pro running Mac OS 15.7.3. I don't have any browser extensions running, I've cleared my browser history, cookies, and cache. Still won't work. When I disabled javascript on safari and firefox, the website loaded perfectly. But I have to have JS running to use almost every other website on the internet, so what gives??

macOS Tahoe, Firefox 152.0.3 macOS settings include "Appearance - Auto"; i.e. system switches from light to dark at sunset. While the "top area" (tabs, address bar, bookmarks bar) of Firefox follows this - some of the pages themselves do NOT???

I found this website which was at top of the search results. I tried to follow it, but it seems to be badly outdated in certain key respects: esp wrt a setting called "ui.systemUsesDarkTheme" in about:config. I set this to "True", but may have screwed this up!! First question: Should I "reset" this somehow?

Finally: To get at the primary question, there are two "sub-questions" that may explain my confusion more clearly:

1. Is there no ***simple way*** to get Firefox & webpages I view to follow macOS Light/Dark appearance?? What are the CORRECT steps?

2. Do individual webpages have the ability to "decide for themselves" whether or not they will adhere to the system light/dark settings. This may well be an officially "stupid question", but while "most" webpages remain "Light" (including this Support page), a few pages appear dark.

Thanks, ~S

I am old-school security conscious & have been using FF since its inception. Really. Clear my cache & delete browsing cookies on a regular basis. I use a private window for shopping and q&a info gathering. Recently I saw Walmart.com showing up in my cookies and couldn't figure out how/why as I *only* look at Walmart in a private window. Today I realized Walmart has managed to bypass the private window options and place cookies anyway! To say I'm furious about this is an understatement. I have adjusted my settings to "Strict" but it's still able to bypass the private window and is staying on my computer. I am updated to the most recent FF version; running MacOs Sonoma 14.7.7 which was just recently updated; I'm not going past this one for now but that really shouldn't be the issue. This is most definitely a FF issue and one that needs to be rectified not just because it's Walmart but because if they can do it so can others soon enough. This cannot stand.

Emojis do not show on Firefox 146 on macOS. I downgraded to 145.0.2 and they do show, so it seems related to Firefox 146.

I have macOS 26.2 running in both test cases.

Emoji in question: 👨🏻💻

I want to cancel my subscription and get a refund but I already deleted my account. I read all the directions but can't find the links to make this all happen. I would appreciate some help. Than you,

I'm afraid I picked up malware despite Sophos due to this message upon routine searches, e.g. "Where's the nearest pet store". About this page Our systems have detected unusual traffic from your computer network. This page checks to see if it's really you sending the requests, and not a robot. Why did this happen? IP address: 206.194.252.88 Time: 2026-01-13T22:42:41Z URL: https://www.google.com/search?q=Pettstores+near+33069&ud m=14&sei=YMpmafbPMZyKwbkPzc23sAE

It's preceded by the reCaptcha request to check the box stating I'm not a robot.

I'm afraid to enter any passwords on here, to order anything, and especially engage in banking. I'm in a rental using WiFi, Thank You, Eileen