Also, it saves witnesses & exchanges time when updates are needed.

Not really, it's takes much longer to replay the blockchain when MIRA is enabled. However, it can save money for extra nodes and for new backup witnesses who haven't received a lot of votes yet.

Improvement with SteemIt Inc and how they communicating more often and listening more

And how they are now more open to community contribution to the development of Steemit Condenser and Steemit Wallet.

In the new Steem Universe:

• more community developers will help with existing major projects, especially those with a user facing interface including Condenser and Wallet
• projects and campaigns will focus more on the world outside of Steem