nemozone

Firefox has included a new function for the download destination.

Solution:

about:config > “browser.download.improvementstodownload_panel” set from true to false

Mozilla has a good support base

https://support.mozilla.org/en-US/ https://support.mozilla.org/de/

On the top right-hand corner of this article below one can select the version of firefox and the OS!

https://support.mozilla.org/en-US/kb/firefox-options-preferences-and-settings https://support.mozilla.org/de/kb/firefox-einstellungen

There is even the possibility of asking the community support

https://support.mozilla.org/en-US/questions/1371550

And here is their bug database

https://bugzilla.mozilla.org/describecomponents.cgi https://bugzilla.mozilla.org/describecomponents.cgi?product=Firefox https://bugzilla.mozilla.org/buglist.cgi?product=Firefox&component=PDF%20Viewer&resolution=---