#2307 (Nov 18, 2020, 6:12:52 PM)

1. First pass at treemap plots [#1088] (commit: d7fe0ec) (details / githubweb)
2. [#1088] Allow iteration over constraints or varkeys (commit: e3914fe) (details / githubweb)

GitHub pull request #1525 of commit 99dff1f3f94cc612e318874a8a066bfda3f548d4, no merge conflicts.