I love reading updates like this. It is wonderful to know that you are ready for the witnesses to implement these changes.
Congrats on the unlimited editing idea. That will really help the "professional" writers/bloggers who are continually expanding and updating their material.
It is exciting to see this all starting to come together. The test run over the last couple months going well is a big bonus.
HF20 is really going to change the STEEM blockchain.