Currently, my MariaDB hangs or crashes after any query. The mysql_error.log file (attached the tail) is not helpful, but after a crash many files are created in the xampp/mysql/data directory with names containing some information. I see a message failing assertion is_dblwr_recover and a message to report the bug here.

Edit: after deleting multi-master.info file multi-master.info everything seems to work normally. I have added this file causing the crash.