You look for known 220.127.116.11 issues? Check on MOS the notes related to the last bundle patch for 18.104.22.168 and you see the known issues at that point. Of course it doesn't mean there aren't other things not working.
If you look for issues during the upgrade again the doc tell you some things, then it depends too much on your own current situation and only trying the upgrade you will see the issues you will have.
Keep in mind you can use BVT to make part of the work for you and identify regressions between the old and upgraded version.
Can you please provide the link for this
The link for what? As I talked about 3 possible links and you ask for just one.
PS: Google is awesome for searching things...
1.) I agree with Gianni - Google is a great invention. Not sure why people do not use it...
2.) There were 9 (nine!) versions of "22.214.171.124" so far so your question is pretty vague.
3.) The release notes Sherry posted are nice but since the question isn't clear I presume you need that plus this:
Please note that if you ask unprecise and "lazy" questions you will not get any useful answer and will waste everybody's time.