Control: tags -1 moreinfo The packaging of 10.3.0 last year was very experimental by nature indeed. Now it is properly packaged and also mysql-defaults is updated.
Can you still reproduce this issue? Maintaining MariaDB in Debian is a very big task and I appreciate all help I get that decreases the workload. If you test out current MariaDB 10.3 in Debian and find any new issues, please "scratch your own itch" and help out by fixing them. The preferred way of submitting contributions is as merge requests on Debian's Salsa system: https://wiki.debian.org/Teams/MySQL/patches