I work to update the libX11 in Ubuntu to update the composer keys there. However, they will not update any packs until there is a new release of libX11. There has now been any release since march 2015, maybe we can make a new one now? https://cgit.freedesktop.org/xorg/lib/libX11/log/
If someone has time to make a new release, they can go ahead and do so, we don't use bugs to track that work in X.Org.
Exactly how can I do that? Or who can?
Any of the X.Org developers with commit access can do so, by following the directions listed on https://www.x.org/wiki/Development/Documentation/ReleaseHOWTO/
Okay, if you're not able to help make a release now, I think it is better to re-open the issue as it's not been solved. I prefer to keep it open to track an unsolved issue which has not yet been solved.
1.6.5 was released a year ago
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