Ironically one of the reasons that Microsoft are more agile when it comes to delivering updates is thanks to Linus Torvalds;)

They moved the whole Windows development process over from their old internal source control tools to a system based on Linus’s git.

https://blogs.msdn.microsoft.com/bharry/2017/05/24/the-largest-git-repo-on-the-planet/
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Remind me to change my signature to something more interesting someday