Section Builder with Backgrounds – Customize with Color, Gradient, Image and Parallax.

Accounts with actual commit access to background-block on plugins.svn.wordpress.org, reconstructed from svn log. This is the list that matters for ownership changes — not the readme contributors.

Names the plugin's readme declares as contributors. A soft signal — anyone can be listed. The SVN access column is the ground-truth cross-reference: does this contributor actually commit code?