Carousel 6.4.6 Release Notes
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      * Bug 8121 | CAP is using the old weekday trick, should use the new 'no content' status
-CAP now uses the correct method of handling a "no content" status.

      * Bug 8221 | Lots of tags can slow down system
-Significantly improved scalability of bulletin tags.

      * Bug 8222 | Error accessing proxy-migration.txt when server doesn't have access to root
-A more useful error message is given if the service does not have rights to clean up the proxy-migration.txt file.

      * Bug 8238 | RSS Weather Crawls that err disappear
-Crawls no longer disappear when there is an error.

                * Bug 8249 | Special case block needs to exist to be used as a back drop
-New block type has been added that can be used as a backdrop that can be overlapped by other blocks.

      * Bug 8273 | Clone Tool: Imported Weather doesn't work
-Fixed a bug in the Clone tool that caused 6.4.5 weather bulletins to become corrupted during export.

      * Bug 8282 | EventDisplay Bulletin that is set to show text when no event is scheduled does not render
-The correct text is shown when there is no content for an EventDisplay bulletin.