Also, if you pass over a toolbutton or bookmark item button while dragging a local file, you will not be able to drop the file into the contentarea. Screencast: https://youtu.be/YkInQknWmos
Bug 1918907 Comment 2 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
Also, if you pass over a toolbutton while dragging a local file, you will not be able to drop the file into the contentarea. STR: 1. Drag start a local file 2. Drag over on the toolbuttons such as reload button and magnifying glass in the location bar. 3. Try drop it onto contentarea Screencast: https://youtu.be/YkInQknWmos
Also, if you pass over a toolbutton while dragging a local file, you will not be able to drop the file into the contentarea. STR: 1. Drag start a local file from file explorer 2. Drag over on the toolbuttons such as reload button and magnifying glass in the location bar. 3. Try drop it onto contentarea Screencast: https://youtu.be/YkInQknWmos