Live Helper Chat was migrated to utf8mb4 this will allow to store us emoji icons. Also these changes are related to telegram and facebook extensions. These two extensions also were updated to support
For update just follow standard update procedure For manual update it's update_160.sql
Developing application takes a lot of time. You can support application by donating. There is no company behind this application and it takes away my free time. Every donation matters and does not matter how small it is!