MariaDB Enterprise Kubernetes Operator 26.03.2

MariaDB Enterprise Operator 26.03.2 is a Stable (GA) release of MariaDB Enterprise Operator, released on 2026-04-08

Release date: 08 April 2026

If you are running in a version prior to 26.03.x, please follow the UPDATE GUIDE to ensure a safe transition.

This is a patch release which includes the following fixes:

• K8SDKR-205: You can now define container lifecycle hooks (preStop and postStart) directly within the MaxScale and MariaDB custom resources. The operator automatically propagates these configurations to the reconciled pods. This enhancement enables graceful handling of node drains and termination events, allowing you to drain connections or perform preemptive switchovers without disruption.

• K8SDKR-194: You can now define terminationGracePeriodSeconds to override the standard 30-second Kubernetes default. By decreasing this value, the kubelet issues a SIGKILL sooner during pod termination. This can be leveraged if you want MaxScale to detect an offline MariaDB container at an earlier stage, significantly reducing overall failover time.

• K8SDKR-192: Resolved an issue where MaxScale pods could initialize in a partially functional state-configuring servers and monitors, but failing to initialize services and listeners. This occurred under specific runtime conditions, such as the unexpected deletion of mysql.maxscale_config or MaxScale PVCs. The operator now explicitly includes services and listeners during this initialization phase, ensuring reliable recovery and a fully functional configuration

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