Confluence 2.9.3 Release Notes

Confluence 2.9.3 is the standard edition version of Confluence 2.9.x. This version of Confluence is equivalent to Confluence version 2.9.2, but it does not include Oracle's Coherence technology. Due to licensing changes with Oracle over the Coherence clustering and distributed caching technology, Atlassian is no longer able to distribute this technology to customers without a Confluence clustered license.

Therefore, Atlassian has released 'standard editions' for each previous major version of Confluence back to 2.6, which includes Confluence versions 2.10.4, 2.9.3, 2.8.3, 2.7.4 and 2.6.3. Confluence 2.9.3 will be the only Confluence 2.9.x version available to customers with a non-clustered Confluence license.

For its caching functionality, Confluence 2.9.3 utilises Ehcache. This functionality was provided by the Coherence technology in previous Confluence 2.9.x versions.

For more information about the features, updates and fixes in Confluence 2.9.2, please refer to the Confluence 2.9.2 Release Notes.

Upgrading from a Previous Version of Confluence

Upgrading Confluence should be fairly straightforward. Please read the Confluence 2.9.2 Upgrade Notes. However, if you have customised the cache settings in your installation of Confluence (e.g. for performance reasons), then please read the Confluence 3.0.1 Upgrade Notes for important information about transferring your caching layer customisations from Coherence to Ehcache.

We strongly recommend that you back up your confluence.home directory and database before upgrading.

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