#3131 (Dec 21, 2020, 3:09:09 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 f26e804797188c337d638bc8cad00a980dbdf486, no merge conflicts.