Enhancements

Enterprise Policy Generator can now import existing policies.json files, making it possible to bring real-world Firefox policy files into the generator and continue editing them there. A detailed import report explains which policies were fully imported, partially converted, or skipped when a policies.json file cannot be fully converted
Policies that will reduce security now show a warning in the user interface
Improved API for URL fields

Bugfixes

The syntax-highlighted policies.json output now correctly preserves values that look like HTML tags, such as <all_urls>

Enterprise Policies

Added support for the DisableRemoteSettingsAndAcceptSecurityConsequences policy to prevent Firefox from applying remote settings
Added Weather option to FirefoxHome policy to enable or disable the weather widget on the home page
Added favicon option to ManagedBookmarks policy to set a favicon for your bookmarks
Added support for javascript: URIs in ManagedBookmarks policy to allow so-called bookmarklets
Added runtime_allowed_hosts and runtime_blocked_hosts options to the ExtensionSettings policy to configure which websites extensions can interact with or are prevented from interacting with or modifying