Want to get involved in developing SMF, then why not lend a hand on our github!
No hack nor blackhats, just persistent asshats.
Please had in mind that the supported version of php/mariadb/mysql/postgres changed,between the beta 3 and rc1.MinPhp 5.4 or higher.MySQL 5.0.22/5.1.10 or higher.MariaDB 5.1.10 or higher.PostgreSQL 9.4 or higher.In mysql some query optimization only works with 8.0+ and mariadb 10.2+On pg side to run all queries in best way you need 9.5+Best performance you get when you used the newest version of this apps.at the point of posting php 7.3 got already tested (not fully) but issues are not found.