A new libXcomposite has been released. Compiles on ~amd64. Will update this report if it proves unstable. Reproducible: Always
Created attachment 118198 [details] libXcomposite-0.3.2.ebuild ebuild for version 0.3.2 of libXcomposite
Unless it has been a week or so, you generally don't have to report Xorg version bumps. Donnie and I subscribe to the xorg mailing list, so we're both generally aware of version bumps. It has been added to the tree.
You're welcome.