MySQL 26.7 Release Notes
This section lists server variables, status variables, and options that were added for the first time, have been deprecated, or have been removed in MySQL 26.7.
No new system variables, status variables, or server options have been added in MySQL 26.7.
The following system variables, status variables, and options have been deprecated in MySQL 26.7.
group_replication_communication_stack: Specifies which communication stack (XCom or MySQL) should be used to establish group communication connections between members. Deprecated in MySQL 26.7.0.