This is a very thorough summary of what has been happening to the Bitcoin Network. For the past fifteen years it has achieved a lot through improvements made and suggested by the community for the community. The systems are now in place to use layer 4 and layer 5 technologies that will catapult it through the century and beyond. The soft forks are really intriguing but it went on very smoothly while the hard forks are really too many to count though you mentioned BCH, BSV and BTG. The transaction malleability issue has been solved and the rest is the application of our imagination and the nodes. All in all this is a wonderful piece of exposition that we will bookmark for the purpose of comparing it with future developments.