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Firefox 146.0.1 (aarch64) macOS 26.2 (25C56) on M2 Pro

Hello.

I'm dealing with a strange issue that began with Firefox 146.0 and continues with 146.0.1. I previously blocked categories I do not care about such as Parenting, Cooking, and others. When doing so, for some reason some of my followed topics including Sports, NFL and NHL no longer appear along with the rest of the topics I've followed. (Please notice only followed sports-related topics disappeared...)

Checking the settings for Firefox Home shows no blocked topics (even those I have explicitly blocked), and checking what I can think to think via about:config shows me nothing I can edit to get my desired topics back.

So, I'm not sure what to edit to get my missing topics back. If they were blocked because of some bug, i cannot see blocked topics in the Firefox Home settings, so I cannot unblock them if that's what would need to be done. Has anyone else experienced this? If so, were you able to resolve it or are you aware of some BugZilla or GitHub issue I can watch for this one?

Any help will be certainly be appreciated. Thank you in advance.

Unable to identify/locate the controls (Settings??) necessary to inhibit/deselect/delete un-commanded popups/assist/help boxes that cover over parts of the underlying informational/data dense page

I have a mac mini, and i use firefox, when i open the app the window fills about 3/4 of the screen i use the arrows to expand the side and bottom to fill the screen (not full screen mode) just wanting firefox to open and fill the screen in general.

Once i expand the sides and bottom to fill screen i close and reopen fireox but it wont retain that size, so i see my desktop on the right and bottom areas. I thought by resizing closing it would retain that upon re opening, but it doesn't.

I dont want to be in full screen mode i just want when i open firefox for it to fill the screen and keep my top bar and whatnot in tact, is there something in settings or with key strokes via mac that I can do once i manually adjust the screen size so that it retains that size?

My current display settings are 1920x1080 if that matters and mac os tahoe with firefox 148 installed.

I use LastPass to store lengthy passwords and auto open websites. After the latest Firefox update (148) when I click to open a website, the entire LastPass vault page just flickers and returns to the same vault page.

When I wake up Firefox from sleep overnight, it is unresponsive until I force quit. I am on v147.0.4 on my M4 Mac Mini. It doesn't happen in shorter sleep periods. I can click something in it and then when I switch to another app, it responds. But the browser on normal interactions won't respond at all.

I have used the OneTab browser extension for years. Mac computer ran out of space but was completely backed up. Got new computer. copied Firefox profile from the and updated the profiles.ini to use the backup data.

I used a backup dated 12 Feb 2026.

I was able to restore my bookmarks and passwords from this profile, but they seem to be from many years ago. I was not syncing to my Firefox account and saving the passwords to my computer. i assumed they would be in a bakup. None of my OneTab items were restored.

I wonder if part of the problem is that Firefox wants to ( and did) update my new computer to Firefox 145 or 147. I don't know which Firefox was running when I had the issue but I suspect it was older.

All of the storage/moz-extension files are there and firefox is using the correct profile data. Is there any way to find/read/extract the OneTab history? Where should I look? I contacted OneTab and all they could tell me was to look in storage/default/moz-extension.. ( nothing readable there) Thanks

Suddenly I have a South African Facebook occupying my fire fox log in. It won't let me go into my account. When I use Safari on the same Macbook I can get access, so somehow it was become fixed to my fire fox browser. How can I get rid of this South African Facebook block or should I just remove firefox as my long time browser. I've done all the cookie deletes and regular stuff. I'd appreciate some professional help. Regards, Jim

2026Feb24

Dear Mozilla,

I use Firefox as my primary web browser.

I am constantly having to Force Quit Firefox in order to free up storage.

Please work on making Firefox handle storage better.

Firefox 147.0.4 (aarch64) "hangs" for 30 seconds to 1 minute when I launch it on my MacBookPro (OS Tahoe.26.3). Itwon't open the simple web page I have Firefox set to open when it launches -- and I can't navigate to any other web pages. When I try to interrupt, I get an Apple spinning beach ball until finally, Firefox opens that first page.

After working with Apple tech support, I have disabled a number of content barrier Extensions in Firefox-- which Apple tech support felt might have been causing this behavior. Nothing works. And I hesitate to run Firefox without some of them.

I tried deleting my Firefox user profile from my computer, but all that did was prevent Firefox from opening at all.

How can I stop this?

[edited email from community support forum]