Summary of changes:
2e625ed... Enable Wayland on x86 and try to enable GBM on ARM (*)
afbeedb... Try to build wayland and GBM for everyone (*)
db86c8e... Update Requires for new split packages (*)
2d07e2e... Fix Requires and versioning in new split packages (*)
cb3926b... Update to 18.0 beta 2 (*)
(*) This commit already existed in another branch; no separate mail sent