+After upgrading to this version, please open Administrative Console,
+Structure & Data -> Catalog section and click
+the 'Rebuild Category Cache' button (an icon with a folder and blue arrows between Approve and Cut icons).
+
+New features:
+ - Catalog & Advanced View sections have been updated to adopt AJAX technology. As a result, managing categories, links, articles and topics became up to 5 times faster than before
+ - Category Permissions manager interface has been updated to a clear and intuitive single-screen visual interface
+ - GZIP output compression has been implemented (available when PHP is compiled --with-zlib)
+
Property changes on: branches/unlabeled/unlabeled-1.1.2/admin/install/upgrades/readme_1_2_1.txt