The issue is verified fixed with Firefox 120.0a1 (20231004094640) and Firefox 119.0b4 (20231002091755) on macOS 12 ARM, Win 10 and Ubuntu 22.04. Images can be imported successfully to the PDF file.
Bug 1790255 Comment 5 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
This is verified fixed with Firefox 120.0a1 (20231004094640) and Firefox 119.0b4 (20231002091755) on macOS 12 ARM, Win 10 and Ubuntu 22.04. Images can be imported successfully to the PDF file.