Version 1.2.2.0 is available upstream. Please consider updating! It seems that version 1.2.2.0 is available upstream, while the latest version in the Gentoo tree is 1.2.1.0. You think this warning is false? Read more about it here.
The module @Data.CaseInsensitive@ provides the 'CI' type
constructor which can be parameterised by a string-like
type like: 'String', 'ByteString', 'Text',
etc.. Comparisons of values of the resulting type will be
insensitive to cases.