where can we get the details regarding monthly patch update and new features in FCCS?

Summary:

URL to get more information about new features and updates that takes place in FCCS on Monthly basis

Content (please ensure you mask any confidential information):

There used to be website or document on web where each and every update was documented. However, now a days I dont see any such document.

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):