Version 0.26.4 is available upstream. Please consider updating! It seems that version 0.26.4 is available upstream, while the latest version in the Gentoo tree is 0.24.26-r1. You think this warning is false? Read more about it here.
Lilv is a library to make the use of LV2 plugins as simple as possible for applications.
Lilv is the successor to SLV2, rewritten to be significantly faster and have minimal dependencies.