Confluence 5.2.4 アップグレード ノート
Confluence 5.2.4 has a critical bug and should not be used. For more details, see User specific page restrictions are removed during upgrade to Confluence 5.2.4
Below are some important notes on upgrading to Confluence 5.2.4. For details of the fixes in this release, please read the release notes.
You should not upgrade to this version of Confluence.