You are able to view what this update includes by going here: Audentio/xf2theme-issues

Note: This release cannot be used on XenForo 2.1, it is exclusively for XenForo 2.2 only.
Note: This update does not require a UI.X add-on update to function properly.

Changelog:

• XenForo 2.1.10.0.0 compatibility
• Improved footer widget styling
• Fixed an issue with tooltip arrow styling
• Improved discussion list coloring properties which now allow you to color both even/odd colors

Note: This release cannot be used on XenForo 2.0, it is exclusively for XenForo 2.1 only.
Note: This update does not require a UI.X add-on update to function properly.