Despite remaining on the WordPress 4.9.x branch and telling WordPress, via the config file, to only allow minor upgrades within that branch, the admin dashboard has a large Update Now button which will upgrade you to WordPress 5. Today I had an accident and clicked this button when I intended to click the Update Plugins button.
I was talking to someone recently about online training courses from Microsoft and directed them to the Microsoft Virtual Academy which I looked at quite a while ago now.
However, they came back to me to let me know that it is being retired in favour of Microsoft Learn.
Microsoft Learn seems to be mainly focused on Azure with a few courses available for PowerBI, Power Apps and Flow.