Pop OS Signal does not let me attach images to send with error Unable to attach file

[InAUGral]

Hi,

Signal does not let me attach images to send with the error "Unable to attach file" or gets stuck at Loading when mousing over. This happens when trying several different ways.

• When trying to attach it from a file by browsing to it after using the Attachment button in a chat.
• Drag and dropping an image from file browser (In my case Dolphin)
• Pasting from clipboard, for example after taking a screenshot.

Note that I have had issues with attaching from attachments before my OS reinstall. Since OS reinstall I cannot even paste from the clipboard into the chat. Please clarify if any further details are required as I am not sure what may be needed for troubleshooting purposes.

Troubleshooting:
Uninstalled Signal and removed remaining folder from /home/user/.local/share/flatpak/app so should have not left any files behind.
Running via terminal does not seem to show errors when attempting to attach/send attachments
Only errors mentioned are for GTK which may or may not be related?
Gtk-Message: 16:49:37.403: Failed to load module "xapp-gtk3-module"
Gtk-Message: 16:49:37.461: Failed to load module "canberra-gtk-module"
Gtk-Message: 16:49:37.462: Failed to load module "canberra-gtk-module"

Specs:
OS: Pop!_OS 22.04 LTS x86_64
Kernel: 6.9.3-76060903-generic
DE: GNOME 42.9
WM: Mutter
CPU: AMD Ryzen 9 5900X (24) @ 3.700GHz
GPU: AMD ATI Radeon RX 6800/6800 XT / 6900 XT

[bermeitinger-b]

Did you change anything with the permissions? It currently has full filesystem access, so it should work. You can ignore the GTK messages. They are unrelated.
Do you have the current version?

[InAUGral]

Did you change anything with the permissions? It currently has full filesystem access, so it should work. You can ignore the GTK messages. They are unrelated. Do you have the current version?

I checked and saw there was an update available so I updated to 7.29.0. I pressed Yes with the below prompt but I have the same issue.

[bermeitinger-b]

And you clicked YES and still it doesn't work?

[InAUGral]

I did yes.