It seems to be an intermittent failure:
teohhanhui@envy-x360:~> flatpak install org.gnome.TextEditor.Devel
Looking for matches…
Found similar ref(s) for ‘org.gnome.TextEditor.Devel’ in remote ‘gnome-nightly’ (user).
Use this remote? [Y/n]:
Required runtime for org.gnome.TextEditor.Devel/x86_64/master (runtime/org.gnome.Platform/x86_64/master) found in remote gnome-nightly
Do you want to install it? [Y/n]:
org.gnome.TextEditor.Devel permissions:
ipc network fallback-x11 wayland
x11 dri file access [1] dbus access [2]
[1] home, xdg-run/gvfsd
[2] org.gtk.vfs, org.gtk.vfs.*
ID Branch Op Remote Download
1. [✗] org.freedesktop.Platform.GL.default 20.08 u flathub < 98.3 MB
2. [✗] org.freedesktop.Platform.openh264 2.0 u flathub < 1.5 MB
3. [✓] org.gnome.Platform.Locale master u gnome-nightly 17.4 kB / 332.7 MB
4. [✗] org.gnome.Platform master i gnome-nightly 50.3 MB / 352.8 MB
5. [ ] org.gnome.TextEditor.Devel.Locale master i gnome-nightly < 681.0 kB (partial)
6. [ ] org.gnome.TextEditor.Devel master i gnome-nightly < 2.3 MB
Warning: Server returned status 404: Not Found
Warning: Server returned status 404: Not Found
Error: While pulling runtime/org.gnome.Platform/x86_64/master from remote gnome-nightly: Error reading data from TLS socket: Error decoding the received TLS packet.
Pruning repo failed: No such metadata object 4fdf6311d0b553e4eef7e544908c842c4a8dbd1192ff1f3963ef07b3cdb50645.dirtreeerror: Failed to install org.gnome.Platform: While pulling runtime/org.gnome.Platform/x86_64/master from remote gnome-nightly: Error reading data from TLS socket: Error decoding the received TLS packet.
teohhanhui@envy-x360:~> flatpak install org.gnome.TextEditor.Devel
Looking for matches…
Found similar ref(s) for ‘org.gnome.TextEditor.Devel’ in remote ‘gnome-nightly’ (user).
Use this remote? [Y/n]:
Required runtime for org.gnome.TextEditor.Devel/x86_64/master (runtime/org.gnome.Platform/x86_64/master) found in remote gnome-nightly
Do you want to install it? [Y/n]:
org.gnome.TextEditor.Devel permissions:
ipc network fallback-x11 wayland
x11 dri file access [1] dbus access [2]
[1] home, xdg-run/gvfsd
[2] org.gtk.vfs, org.gtk.vfs.*
ID Branch Op Remote Download
1. [✗] org.freedesktop.Platform.GL.default 20.08 u flathub < 98.3 MB
2. [✗] org.freedesktop.Platform.openh264 2.0 u flathub < 1.5 MB
3. [✓] org.gnome.Platform master i gnome-nightly 23.3 MB / 352.8 MB
4. [✓] org.gnome.TextEditor.Devel.Locale master i gnome-nightly 6.7 kB / 681.0 kB
5. [✓] org.gnome.TextEditor.Devel master i gnome-nightly 1.9 MB / 2.3 MB
Warning: Server returned status 404: Not Found
Warning: Server returned status 404: Not Found
Changes complete.
teohhanhui@envy-x360:~>