Carousel 4.5.4 Release Notes
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                * Bug 1116 | DisplayEngine instability
-A bugfix from a previous release occasionally caused DisplayEngines to "reboot" themselves.  This behaviour has been corrected.  We've also added several other stability enhancements related to Powerpoint, audio playback, Flash, and backend data processing.

      * Bug 1292 | Commas in EventDisplay schedule fields split the text into multiple events
-Commas are now escaped before we process form data.

      * Bug 1295 | Updating scheduled times of a stale group doesn't reactivate the group
-The bulletins are now set to "queued" on updates, so the Carousel Service will automatically activate or deactivate them, as needed.

                * Bug 1429 | Invalid XML in an RSS feed can lock up the Carousel Service
-RSS bulletins now refuse to accept invalid XML.

      * Bug 1453 | Turning Bulletin Synchronization on can cause an IndexOutOfRange Exception
-An extremely rare race condidtion caused an error to be thrown.  We tightened up the concurrency checking so this shouldn't happen again.

      * Bug 1459 | Service not compensating for time zone when disabling bulletins
-In a specific circumstance relating to time zones, bulletins were being disabled (sent to "stale") earlier than expected. We've fixed the time zone logic so bulletins are "staled" as expected.

      * Bug 1545 | Display engine ignoring page pacing
-A fix from case 1116 missed an important override in the code, which would cause the DE to fly through the cycle of bulletins.

                * Bug 1548 | HTML code visable on Create.Template.aspx
-We forgot to close some HTML, so strange bits of code would get strewn across certain web pages.