Backing support for this feature request for privacy and security reasons. In light of increasing supply chain attacks against (indie) extension developers, allowing users to limit the blast radius of extension compromise should be a priority in Fire...
Would like to see this feature also.I use a legacy extension that no longer receives (security) updates. I only need that extension for 2-3 specific websites. It would enhance the security (and privacy) of my Firefox usage significantly to be able to...
