In The Unicode Standard, Cherokee syllabary implementation is discussed in Chapter 20 Americas.
The Cherokee syllabary was first encoded in The Unicode Standard version 3.0. In Unicode 8.0 casing was added to the script. The script is now encoded in the following blocks:
Subsequent to version 3.0, the following characters have been added to the script:
A number of proposals for its inclusion were submitted to the Unicode Technical Committee and WG2:
1992-10-29 Cherokee Syllabary — Rick McGowan ( Unicode Technical Report #3 R2)
1995-03-14 Proposal for encoding the Cherokee script — Michael Everson ( WG2 N1172 (Unofficial HTML version of a document submitted to WG2))
2014-07-31 Cherokee casing decision may break identifier syntax — Ken Whistler ( L2/14-187)
2015-07-30 Phoreus Cherokee (type specimen sheet) — Ken Lunde ( L2/15-214)