User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0

Steps to reproduce:

Compose an email in gmail or send a message in Hangouts and drag a photo onto the message.

Actual results:

In the gmail message, a file uri is pasted into the email message. Nothing happens in a hangouts message.

Expected results:

Outside of flatpak, you can use drag and drop to easily share photos and other files this way.

Bugbug thinks this bug should belong to this component, but please revert this change in case of error.

Resetting severity to default of --.

I can confirm this. You can test also in Github for example: drag an image to a comment and you'll see it doesn't upload it.

The priority flag is not set for this bug.
:enndeakin, could you have a look please?

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Is this a special build of Firefox. Does the issue occur with normal Firefox builds? If not, then you should file a report with whatever the special build is.

https://github.com/flatpak/xdg-desktop-portal/issues/99 seems relevant.

Can you attach your about:support please?
Thanks.

The component has been changed since the backlog priority was decided, so we're resetting it.
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Because this bug's Severity has not been changed from the default since it was filed, and it's Priority is -- (Backlog,) indicating it has has not been previously triaged, the bug's Severity is being updated to -- (default, untriaged.)

This is still happening in FF 88. I attached about:support, so it should clear the needinfo request (although it wasn't made to me).

Firefox likely doesn't have access to the dragged file.

The compositor needs some dedicated support for this to work.
For GNOME, see https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/418
For swaywm, see https://github.com/swaywm/sway/issues/6460

Also, this seems like a dupe of #1636774

Yes seems to be a dupe.