Firefox supportforum

On my Macbook (macOS Sonoma 14.5), Firefox blocks populating parts of some websites whereas other browsers don't. For example, on my J. Crew Factory website account, when I click on "Order History," I get a blank page. Other browsers (Safari, Brave) correctly populate the info on my Order History. Why does Firefox block it?

When downloading a file in Facebook Messenger, Firefox changes file extension to .pdf. My case was .docx file but looking for help found people have problem with other formats, even non document saving as .pdf.

Not asking for help, just reporting problem

When I'm browsing, especially when shopping, say, Amazon, eBay, or Swanson Vitamins or wherever, FF opens a new tab which remains open to the right of the left-most original tab. Of course, when I + a new tab which I want it to stay open, it opens and, again, by itself, FF closes the first tab and the latter takes over the left-most spot. And, in case of eBay, when I click on an item I want to check, it keeps on opening a new tab on the original tab. Placing the cursor on FF icon on task bar displays all the tabs. I never had things like above happen with previous issue FF. Of, course, I don't know since which FF version was stable in the way I wanted. Does anyone know how to set FF to stop taking all these unwanted actions?

There is a hacker who accessed my Google account via Firefox about 10 hours ago, with the result my language setting has been switched to Korean. I live in Hong Kong and have never been to Korea, and I do understand Korean at all. Can you help pls? Thx.