package is experimental right now - it was confirmed working on NetBSD
and compile on macOS only for now
8.0 brings many improvements over 5.7, following is shortened list, more details
are available on https://dev.mysql.com/doc/refman/8.0/en/mysql-nutshell.html
- transactional data dictionary
- atomic DDL
- integrated upgrade procedure
- security and account management improvements
- resource groups and threads (thread affinity needs some work for NetBSD)
- table encryption management
- loads of innodb enhancements
- default character set utf8mb4
- JSON enhancements
- CTE, Window functions
- lateral derived tables
- reworked regular experssion support
- internal temporary tables
- HASH JOIN optimization
- EXPLAIN ANALYZE
- time zone support for TIMESTAMP and DATETIME
- optimizer hints for FORCE INDEX, IGNORE INDEX
- XML enhancements
- single preparation of statements
- single RIGHT JOIN as LEFT JOIN handling
- derived condition pushdown optimization
Number of features were also deprecated, check the release notes for that
