Red Block is a Chrome extension developed by 가을별 that allows users to block unwanted users on Twitter. This extension serves as a replacement for Twitter Block Chain and offers several advanced blocking features. With Red Block, users can block followers, followings, retweeters, and likers of specific tweets.

The latest version, v0, includes bug fixes such as resolving the issue with the export-session feature not working and updating the Chinese translation. Other notable updates include fixing errors related to missing reaction-related properties when retrieving a tweet and ensuring proper loading of Red Block's storage in certain situations.

Red Block also introduces new options, such as showing a one-click block button to users with hexagon profile images, skipping verified users, and improving the user search chain block feature. Additionally, the extension has been updated to use React v17 and MUI for its UI.

Overall, Red Block is a reliable and feature-rich extension for blocking unwanted users on Twitter. It offers a range of options and enhancements to enhance the user's blocking experience.