This is a change in the ILS Facility Classification code. In your example the code is I/C/2 for ILS with GP, which means:
The ILS category is CAT I
Quality of Course C, which means localizer performance follows performance requirements until 100ft
Integrity level 2 (see ICAO Annex 10, Volume I for details)
The changes can also be found in the Kazakhstan ...
It looks like you have two questions: what's an unpublished TFR, and where are NOTAMS published?
First, unpublished TFRs. I can't find any FAA information on "unpublished TFRs" and I suspect it was just poor phrasing from FSS. I read the article you linked and it's unclear what they really meant, at least to me. Having said that, you could ...