[development] problem with per theme block config

[Moshe Weitzman]

> so I finally discovered that on 4.7 blocks config will be different per
> theme. it seems the idea is that since we can't guarantee which regions
> will be provided by which theme we can have a global block config.

Indeed. It has been many months.

> is it too late to fix this? can't we have a way to set global blocks
> config which makes some assumptions about regions?

Well, the first step is to read up on the issue which created regions and
then submit a patch. It will be considered for 4.8. Also make sure to
discuss with AdrianR who gave a presentation on a unified UI which
integrated current theme admin and block admin.