WebKitGTK+ 2.16.0 is the first stable release of WebKitGTK+ that uses libgcrypt instead of GnuTLS for some cryptographic functions: <https://bugs.webkit.org/show_bug.cgi?id=163125> <http://trac.webkit.org/changeset/208297/webkit> * gnu/packages/webkit.scm (webkitgtk): Update to 2.16.0. [inputs]: Replace gnutls with libgcrypt.