[Xcb] [PATCH] Resent patches

[Ran Benita]

I cleared my patches from patchwork, these are the ones remaining. I've
fixed/rebased where necessary.

Christian: do you have admin privs for the xcb patchwork yet? I'd like
to help review some of the patches there (I have some time again), but
I'm not sure which are relevant. If you've cleared what you know is
irrelevant I can look at some of the rest.

Thanks,
Ran

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2.3.0