--- a/lib/redmine/info.rb     2019-10-07 16:08:08.468343000 -0400
+++ b/lib/redmine/info.rb     2019-10-07 16:06:06.052343000 -0400
@@ -16,6 +16,11 @@
           ["Database adapter", ActiveRecord::Base.connection.adapter_name]
         ].map {|info| "  %-30s %s" % info}.join("\n") + "\n"

+       s << "Settings:\n"
+       s << [
+          ["Theme", Setting.ui_theme]
+          ].map {|info| "  %-30s %s" % info}.join("\n") + "\n"
+
         s << "SCM:\n"
         Redmine::Scm::Base.all.each do |scm|
           scm_class = "Repository::#{scm}".constantize