Newest update breaks file download from non-secure websites.
I have a well hidden web server that uses HTTP. I need to download files from that server. After the newest update, Firefox now gives a warning about the website and on that warning is a button to "Allow Download". However when I click on that button, the file that gets downloaded IS NOT the file that I was initially attempting to download. It looks like it is a copy of the web page that was being displayed at the time. I noticed this behavior at work. I went home and used Firefox to connect to the server and everything connected and downloaded correctly. I went to see what version of Firefox was running. It was 124.0.2 and there was a button saying "Update Firefox". I clicked that button. My home Firefox updated to 125.01 and my home version of Firefox now also downloads the wrong file.
Wót Joel Swanson
Wšykne wótegrona (2)
Yes, they must have broken something. This is already being analyzed under bug 1892069.
Wót TyDraniu
You can work around it by changing dom.block_download_insecure to false in about:config then restart the browser.