'From Squeak3.7alpha of ''11 September 2003'' [latest update: #5566] on 1 December 2003 at 7:36:28 pm'! "Change Set: ColorFormReadFromRemove-mu Date: 1 December 2003 Author: Masashi Umezawa In 3.7a, ColorForm>>readFrom: should be removed. It raises ""not implemented"" error but actually it is not needed. A simple test code, which raises the error before this changeSet: --- originalColorForm _ ColorForm someInstance. binaryStream _ ReadWriteStream on: (ByteArray new: 100). originalColorForm writeOn: binaryStream. binaryStream reset. readColorForm _ ColorForm new readFrom: binaryStream. originalColorForm bits = readColorForm bits "! ColorForm removeSelector: #readFrom:!