enhancements:
* Stable synchronization support through integrated SyncML server.
* A new Alarm system that can send email alarms, generate popup or inline
notifications, and play sounds for events in any Horde application.
* Support for separate read and write databases, and improved useability
when the database is unavailable.
* Improved performance, through caching and native SQL drivers for shares,
groups, and permissions; faster DataTree queries, and smarter use of
session data.
* The administrator can disable users' ability to change permissions on
their Shares.
* Two slick new themes, Tango Blue and Silver Surfer.
* WCAG 1.0 Priority 2/Section 508 accessibility guidelines compliance.
* Full Kolab webclient support.
* Improved JavaScript code including more caching, JSON support, new
spell checking and color picking widgets, replacing htmlarea with xinha,
and dynamic portal updates.
* Help is now searchable and has a tree view for easy organization and
exploration of help topics.
* Wider memcache support and easier memcache configuration, including
connection pooling and multiple memcache servers.
* A more complete WebDAV server.
* "Drop-in" configuration support for applications through
config/registry.d/.
* Many additional hooks, for performing actions on preference value
changes, and after loading an application.
* and much, much more.
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