• Adds an emoji dictionary (/social dictionary emojis)
• Adds a keyword dictionary (/social dictionary keywords)
• Adds a chat history (/social history)
• Adds delimited placeholders, which replace the current placeholder system. More info in the full changelog available below
• Mentions now support CJK characters and require the '@' prefix to prevent players from accidentally mentioning other players
• Chat replies and threads have been merged
• Fixes an issue with the migration utility that would make the plug-in crash on start
• Fixes an issue that would duplicate emojis each time the server started
• Fixes an issue with permissions that would prevent users from switching channels
• Fixes an issue with private messages that would fill the console with unnecessary characters
• Fixes an issue where keywords would cause a NullPointerException
• Fixes an issue where keywords would not be processed at all
• Fixes an issue that degraded performance where text parsers could be called recursively leading to a stack overflow
• Fixes an issue where the plug-in would occasionally print a NullPointerException when a player joined or quitted
• Add-ons that degrade performance due to a misuse of social's API will now send a warning to console

[!] Minimum required version is now 1.19.4

Please, take a look at the full changelog if you have the time. You will find some useful information there