expire_logs_days

In 10.6 ES, 10.6 CS:

If non-zero, binary logs will be purged after expire_logs_days days; It and binlog_expire_logs_seconds are linked, such that changes in one are converted into the other, presentable as a decimal value with 1/1000000 of the day precision; possible purges happen at startup and at binary log rotation

In 10.5 ES, 10.5 CS, 10.4 ES, 10.4 CS, 10.3 ES, 10.3 CS, 10.2 ES, 10.2 CS:

If non-zero, binary logs will be purged after expire_logs_days days; possible purges happen at startup and at binary log rotation

See also: System Variables for MariaDB Enterprise Server 10.6, in 10.6 CS, in 10.5 ES, in 10.5 CS, in 10.4 ES, in 10.4 CS, in 10.3 ES, in 10.3 CS, in 10.2 ES, and in 10.2 CS