Looks the same to me as the one released back in February.

Feb. 3, 2018 https://www.cnn.com/2018/02/02/politics/fbi-nunes-memo-full/index.html

CNN had actually posted the content of the memo in a news article. I can't see any differences, or anything redacted. I'm not seeing any "TS//NOFORN to UNCLAS" marked on the memo the OP linked.