XOrg has been updated in moonbase to version X11R7.3

Updating from the previous version in moonbase should be handled automatically by lunar update.

However, there are 2 caveats:

If, after updating, your mouse is not working, please recompile xf86-input-mouse via lin xf86-input-mouse. Restart X afterwards. The current NVIDIA driver (100.14.11) [...]

XOrg7 has been updated in moonbase to version X11R7.1.
This version was tested extensively and updating from X11R7 should be a no brainer. (just let lunar update handle it). For updating from X11R6.x series i point you to the forums and the wiki.
When you face problems do not hesistate to file a [...]

Hi,

I’ve just released the xorg-7.0 tree in the zbeta section of moonbase.

Many of you know Moe and me have been working on this first release for X11R7 for quite a long time.

Before you type in `lin XOrg7`, I’d like to point you to the documentation page in the lunar-linux wiki [...]