Merge release 5.0.3 into 5.1.x

[github-actions[bot]]

Release Notes for 5.0.3

5.0.x bugfix release (patch)

This a pure maintenance release with no changes except for unit tests.

5.0.3

• Total issues resolved: 0
• Total pull requests resolved: 1
• Total contributors: 1

Enhancement

• 285: Fix unit tests for 5.0.x branch thanks to @driehle