Prior to this version, only plain text signatures were supported on DWA 8.

When a new signature is generated in V3.10, additional fields will be added to the user's calendar profile to support an HTML signature in DWA 8.

If a signature is generated using V3.10 and the user is currently running DWA 7 or below. the HTML signature fields are automatically added to the user's calendar profile. When the user's mail template is upgraded to DWA 8, the HTML signature will automatically take effect. There will be no need to regenerate the HTML signature.

This improvement was added in V3.10