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Quarterly Release: June 2025

Current Versions

Component Version
Server Image 2025.06.202602101904
UI Image 2025.1202.201742
Prefect Istio Chart 0.1.3
Customer-Managed Chart 0.7.4
2.x Client Supported 2.20
3.x Client Supported 3.4

Note

Any patch version of the supported client minor versions should be compatible with this release.

Patch History

February 10, 2026

This release includes security fixes for the Server image.

  • Server Image: 2025.06.202602101904

February 3, 2026

This release includes security fixes for the Server image.

  • Server Image: 2025.06.202602031531

January 7, 2026

This release includes security fixes for the Server image.

  • Server Image: 2025.06.202601071950

December 12, 2025

This release includes security fixes for the Server image.

  • Server Image: 2025.06.202512121642

December 3, 2025

This update includes security fixes.

  • Server Image: 2025.06.202512032158
  • UI Image: 2025.1202.201742

Initial Release: June 15, 2025

Features

  • Schedule Parameters and Slug Support - Enhanced scheduling capabilities with parameter support and slug-based references backported from Nebula.
  • Work Pool Storage Configuration - Comprehensive storage configuration options for work pools with deployment parameter schema updates.
  • ANDed Related Resources in Event Queries - Support for AND operations in event queries for more precise filtering.
  • Work Pool/Queue/Job Variables in Flow Run Creation - Enhanced FlowRunCreate with support for work pool, queue, and job variable fields.
  • Updateable Pull Steps for Deployments - Pull steps can now be modified post-deployment creation.
  • Admin API Access for Owners/Admins - Direct admin API access for account owners and administrators.
  • Persistent Tracing Filters - UI tracing filters now saved to local storage.
  • Deployment Versioning - Deployment versions from later client versions will show in the UI but this release does not cover full deployment version rollback.

Maintenance

  • Fixed TaskRunPolicy Retry Delays - Proper float value support for retry_delay configurations.
  • Enabled Autocommit Mode for Automations - Improved transaction handling for automation workflows.
  • Removed Cloud-Specific Features - Removed rate limiting, billing, managed execution, and incident management features for optimized Customer-Managed experience.