* [CHD-3822] [Mail/Relay] Fixed an issue where relayed messages could contain blank names in the 'From:' header.
* [CHD-3717] [Notifications/Usability] Fixed an issue where clicking some non-record notifications didn't automatically mark them as read.
* [CHD-3810] [Migration/Custom Fields] Retroactively fixed an issue where certain non-text custom fields (e.g. date, number, worker) weren't properly migrated from groups to fieldsets in 6.4
* [CHD-3574] [Mail/Compose/Drafts] Compose drafts now properly restore the 'owner' field.
* [Mail/Compose/Drafts] Compose drafts now properly restore the 'watchers' field.
* [CHD-3880] [Mail/Compose/Custom Fields] Fixed an issue with composing mail where file-based custom fields could be attached to the message rather than set as a field value.
* [CHD-2563] [Mail/Merge] When viewing the profile of a deleted ticket that was merged, a helper message will display the new ticket location.
6.7.9-release