Your point 4 is incorrect: > Firefox, however, has no plans to deprecate MV2 and will continue to support MV2 extensions for the foreseeable future. And even i

Your point 4 is incorrect: > Firefox, however, has no plans to deprecate MV2 and will continue to support MV2 extensions for the foreseeable future. And even if we re-evaluate this decision at some point down the road, we anticipate providing a notice of at least 12 months for developers to adjust accordingly and not feel rushed. https://blog.mozilla.org/addons/2024/03/13/manifest-v3-manifest-v2-march-2024-update/ https://blog.mozilla.org/addons/2024/03/13/manifest-v3-manif... While Firefox will also support v3 they will not break v2.