Export no rows when query uses set variable
This bug was reported also at https://github.com/vrana/adminer/issues/1108 I'll close this one.
This will be fixed in Adminer 5.6.0.
This will be fixed in Adminer 3.6.0.
Error creating users in MariaDB 10 w/
This is fixed in Adminer 5.5.0.
Feature suggestion - More rich SQL command Editor
I don't plan to include this in Adminer but you can use the plugins. There's now even a plugin for Monaco.