Add Firefox workaround

Quality of Life.md

@@ -37,6 +37,12 @@ Lenovo ePrivacy can be controlled through `/proc/acpi/ibm/lcdshadow`. I use the
 - F5: `sudo bash -c 'echo 1 > /proc/acpi/ibm/lcdshadow'`
 - F6: `sudo bash -c 'echo 0 > /proc/acpi/ibm/lcdshadow'`
 
+### Firefox based browsers
+
+Currently Firefox based browsers [will break](https://github.com/QubesOS/qubes-issues/issues/8612#issuecomment-1764832181) when you try to open a YouTube video in fullscreen if their window is maximized. To workaround this, set `full-screen-api.ignore-widgets` in `about:config` to true. 
+
+I have no idea if this will make you more fingerprintable or not.
+
 ### Bitwarden & Element Flatpak
 
 These apps require the keyring to be created first to work properly. Simply open a browser like Microsoft Edge and set an empty password for the keyring before using them.

fedora-gnome/vault.sh

@@ -30,4 +30,4 @@ sudo chmod +x /etc/qubes-rpc/qubes.SshAgent
 # Not using openssh-askpass here, because of this bug:
 # https://github.com/QubesOS/qubes-issues/issues/9741
 
-sudo dnf install -y keepassxc pinentry-gnome3
+sudo dnf install -y keepassxc okular pinentry-gnome3