Yeah hut I have clients that don't have a AWS account yet and I planned on launching one soon and now I need to launch with a new untested git setup. I need to learn about other providers security ASAP to provide the same experience. I see no reason to just stop it completely right after the announcement.
It was nice to have everything managed internally by AWS. Because of corporate bureaucracy, it is a lot easier to have complete control over a CodeCommit repository as an admin to AWS accounts than get what I needed it with Githin
There was no advanced notice and people only found out about it after trying to create new repositories or environments (Cloud9) in a new organization.
Even on Twitter, Jeff Bar was cryptic
On the other hand, they just added support to view images inline in the console for markdown files in CodeCommit last year.
This must have been a sudden decision. Last year when I was still working at AWS, there was talk about fully integrating VSCode third party plug in support.