This stable release of WebGUI 7.8.21 contains fixes for:

Calendar events showing up on the wrong days.
Scheduler workflows being lost.
Inbox message count being off.
Sorting the Collaboration System.
Using the Asset Manager on the root node.

The full changelog is below, indexed by bug number.

Gotchas:
     * Due to a bug introduced in 7.8.18, Scheduler tasks may have been deleted
       from your site.  The 7.8.18 upgrade will restore all default tasks, and tasks
       for handling email from Collaboration Systems, but you should check any Scheduler
       tasks that you have created.

Changelog:
 - fixed #11597: manageTrash and newlines
 - fixed #11596: Calendar: all day events leaking
 - fixed #11604: scheduled workflows getting deleted
 - fixed: The template form plugin would return an empty string when getValueAsHtml was called. ( Martin Kamerbeek / Oqapi )
 - fixed #11613: Thingy: If next action after add is to add more things, previous data remains
 - fixed #11611: Thingy: The add field pop up box has multiple "Text" field types
 - fixed #11610: Bad hover help for CS sortBy field
 - fixed #11608: State field required - causing failed orders on iTransact
 - fixed #11605: UserList refers to non-existent "publicEmail" user profiling field
 - fixed #11595: Orphaned data in inbox_messageState
 - fixed #11606: Syndicated Content feed returns a relative link
 - fixed #11614: Forums: Sort Fields
 - fixed #11616: No access to /root
 - fixed #11613: Thingy: If next action after add is to add more things, previous data remains