Please, make sure that the following features are either documented or don't have to be:

• MDEV-31684 Add timezone information to DATE_FORMAT
• MDEV-28699 Shrink temporary tablespaces without restart
• MDEV-32104 remove deprecated features
• MDEV-31811 deprecate old_mode values
• MDEV-31474 KDF() function
• MDEV-28856 Spider: Implement more engine-defined options
• MDEV-3953 Add columns for ROWS_EXAMINED & ROWS_SENT to I_S and processlist
• MDEV-32203 Raise notes when an index cannot be used on data type mismatch
• MDEV-15935 Connection Redirection Mechanism in MariaDB Client/Server Protocol
• MDEV-29167 new db-level SHOW CREATE ROUTINE privilege
• MDEV-32526 Enable Charset Narrowing by default starting from 11.3
• MDEV-27247 Add keywords "SQL_BEFORE_GTIDS" and "SQL_AFTER_GTIDS" for START SLAVE UNTIL
• MDEV-24670 avoid OOM by linux kernel co-operative memory management
• MDEV-31626 implement inet4->inet6 cast
• MDEV-32113 utf8mb3_key_col=utf8mb4_value cannot be used for ref access