D11 release 2.0.0 stable

Problem/Motivation

Release 2.0.0 stable and support D11.

Steps to reproduce

Proposed resolution

-Apply the automated D11 patch
-Verify code works on D11
-Maybe include the various patches for the open issues (that are open for a long time)
-Create a new stable 2.0.0 release.

Remaining tasks

-Live happy ever after.

User interface changes

API changes

Data model changes