We have identified an issue in 2.1.8 that may cause certain template modifications in add-ons to not be applied correctly. This issue is discussed in more detail in this bug report. In order to resolve this, we have released XenForo 2.1.8 Patch 2.

We have fixed two issues in XenForo 2.1.8 which cause errors or unexpected behavior:

• Error relating to warning_points when rebuilding user caches
• Error when sending a payment receipt with user upgrades/purchasables

We have fixed two issues in XenForo 2.1.8 which cause errors or unexpected behavior:

• Error relating to warning_points when rebuilding user caches
• Error when sending a payment receipt with user upgrades/purchasables