What's new in 2025.51.2

Control Plane 2025.51.2 release notes.

Set default system properties for all locations#

A new default block allows setting system properties inherited by all locations, eliminating the need to repeat them per location. This is useful for configuring monitoring agents (Datadog, etc.) across all private locations:

control-plane {
  default {
    locations {
      system-properties = {
        sysprop-example = "<default-property-value>"
      }
    }
  }
}

Per-location system-properties merge with and override defaults:

• Merge rule: defaults are merged into each location’s configuration.
• Conflict rule: location-specific keys take precedence in case of duplicate entries (no override from defaults).

Fix builder packager temporary files#

Fixed packager temporary files not being created inside the builder’s working directory, which caused permission errors in certain configurations.

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