https://addons-internal has been blocked for your protection.

Why was it blocked?
https://addons-internal.stage.mozaws.net/en-US/admin/models/blocklist/blocksubmission/add/https://addons-internal.stage.mozaws.net/en-US/admin/models/blocklist/blocksubmission/add/https://addons-internal.stage.mozaws.net/en-US/admin/models/blocklist/blocksubmission/add/
What does this mean?

The problematic add-on or plugin will be automatically disabled and no longer usable.

When Mozilla becomes aware of add-ons, plugins, or other third-party software that seriously compromises Firefox security, stability, or performance and meets certain criteria, the software may be blocked from general use. For more information, please read this support article.