I hope you already know the new official Help Wiki that was released to the public back in December. There is so much information waiting for exploration there! But what if you want to know what’s new?
There are two useful URLs you can use to discover new and updated pages in the wiki.
New Pages: https://ax.help.dynamics.com/en/wiki/?querytype=newpages
Updated Pages: https://ax.help.dynamics.com/en/wiki/?querytype=updatedpages
In addition to that you can even subscribe to an RSS feed that provides you with the new pages and their contents: