Data.List: separate uniq() with 2nd arg and without, with making uniq_by() helper function
Data.List: separate uniq() and uniq_by(), with preserving current behaviour with deprecated warning message
Data.List: doc for uniq_by()
Data.List: changelog for 960f5f4 -- uniq() with 2nd argument is deprecated. Please us uniq_by() instead.
ProcessManager: new() is already removed.