Karmada
v1.15.6Orchestration & ManagementKarmada v1.15.6 is a critical bug-fix release addressing race conditions, scheduler panics, and CronFederatedHPA failures that could impact production stability.
breakingCritical scheduler stability fixes require immediate update
The scheduler panic fix and backoff queue corrections address critical stability issues that could cause service disruptions. Plan immediate upgrade for production environments running multi-cluster workloads with spread constraints or high scheduling volumes.
enhancementCronFederatedHPA reliability improvements
If using CronFederatedHPA for autoscaling, this release fixes scale-up failures when replicas field is missing. Update to ensure consistent autoscaling behavior across your federated deployments.
securityBase image security update included
Alpine base image updated to 3.23.3 which may include security patches. Review your container scanning results after upgrade and update any custom images based on Karmada components.
Key changes (5)
- Fixed job status aggregator race condition preventing error loops
- Resolved CronFederatedHPA scale-up failures when replicas field is missing
- Corrected graceful eviction task timing issues with GracePeriodSeconds
- Fixed scheduler panic from divide-by-zero errors in spread constraints
- Improved backoff queue sorting to prevent priority inversion issues