0.53.1

Minimum required Python version

Support for Python 2.6 has been dropped. Minimal Python versions for each major version:

• 2.7
• 3.6

Minimum required atomic-reactor version

• 1.6.31

Registry API version

• v1-only registry API is no longer supported
• URIs in registry_uri default to v2 if no version is appended to the URI. Appending /v1 to the URI is no longer supported

Default arrangement version is 6.

API changes

• arrangement_version <= 5 is deprecated and support will be removed in version 0.54

Build JSON changes

None

Bug Fixes

None

Improvements

Allow isolated builds for custom base images (this may be used to address CVEs related rebuilds)