The ExtensionSettings policy was updated, allowing more granular control over extension installations and restricting access to specific domains.
A popular productivity feature allowing users to detach video content into a floating window. firefox esr 78
| Feature | Specification | | :--- | :--- | | | Gecko 78 | | Release Date | June 30, 2020 | | ESR Support End Date | October 5, 2021 | | OS Support | Windows 7+, macOS 10.9+, Linux | | Policy Engine | GPO support / policies.json | | Flash Support | Removed in later updates (v78.6+ disabled Flash by default) | The ExtensionSettings policy was updated