Upgrade Guide 2.5.5
Who should upgrade?Confluence 2.5.5 is a recommended upgrade that resolves issues you may have encountered in Confluence 2.5.4 or earlier. Confluence 2.5.5 resolves two security bugs, related to space permissions and invalid characters in space names and keys.
As such this release is a recommended upgrade for all customers.
Confluence 2.5.5 is a free upgrade for all customers who purchased their Confluence license or maintenance renewal after July 26th 2006.
If you are running a release older than 2.5 and you want to upgrade, you should upgrade directly to 2.5.5. Refer to the upgrade procedure below.
Upgrading Confluence should be pretty easy. We strongly recommend that you backup your
confluence.home directory and database before upgrading!
If you are upgrading from Confluence 2.2.x or a later version, you can find instructions here.
If you are upgrading directly from 2.1 or earlier, you should also read the 2.2 Release Notes for warnings about the 2.1 -> 2.2 upgrade.
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