gnome-software 3.30.6 release, together with PackageKit and libappstream-glib updates. This is a stable release with the following changes:

• Fix various thread safety related crashes
• Fix row unrevealing to not leave behind 2 pixels on the updates page
• Make the refresh button to actually refresh packagekit cache
• Fix various issues that could lead to cache refresh getting stuck
• Show updates available notifications even when automatic updates are disabled
• Fix counting apps in the updates applied notification
• Improve packagekit update loading code, hopefully making it more robust
• Fix an issue that could lead to the packagekit plugin activating on rpm-ostree based systems
• Switch flatpak updates to use a single transaction, which lets us share more code (and bugs) with the command line flatpak utility
• Fix various issues with transitioning from the "Download" state to "Restart & Update"
• Don't error out from update downloads if the ODRS server is unavailable
• Fix old updates accumulating in the OS Updates item
• Various flatpakref installation fixes
• Fix opening the details page when clicking on "Show Details" in GNOME Shell
• Fix opening shell extensions details from GNOME Tweaks
• Various fixes for initial loading state

This release also updates translations.