This can be reproduced on Desktop by setting PDF files to be automatically saved, which I think is also more similar to how downloads work on Android (although the code paths might still not be 100% identical). Also note that on Desktop, the bug can be reproduced e.g. on Ubuntu, but not on Windows, because in addition to the file name (which ends up as dabs) we're also providing an extension to the OS "Save as..." dialogue, which then fixes up the file name to include an extension itself.
Bug 1484937 Comment 28 Edit History
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This can be reproduced on Desktop by setting PDF files to be automatically saved, which I think is also more similar to how downloads work on Android (although the code paths might still not be 100% identical). Also note that on Desktop, the bug can be reproduced e.g. on Ubuntu, but not on Windows, because in addition to the file name (which ends up as dabs) we're also providing an extension to Windows's "Save as..." dialogue, which then fixes up the file name to include an extension itself.
This can be reproduced on Desktop by setting PDF files to be automatically saved, which I think is also more similar to how downloads work on Android (although the code paths might still not be 100% identical). Also note that on Desktop, the bug can be reproduced e.g. on Ubuntu, but not on Windows, because in addition to the file name (which ends up as dabs) we're also providing an extension to Windows's "Save as..." dialogue, which then fixes up the file name to include an extension by itself.