The 豆瓣黑名单广播屏蔽插件 is a free Chrome add-on developed by liudezhi. It is designed to address a specific issue with the 豆瓣 web platform. After theupdate, broadcasts from users on your blacklist can still appear on your timeline through the resharing of your friends. This add-on aims to solve this problem by preventing these broadcasts from showing up in your timeline.

This add-on is specifically targeted towards users of the 豆瓣 web platform who want to have more control over what appears on their timeline. By installing this add-on, users can effectively block broadcasts from users on their blacklist, ensuring that their timeline only shows content from users they want to see.