Upgrading

See Upgrade.

Part 1 Upgrading the distribution

See Distribution Upgrades, which covers each method:

• Upgrade XWiki Installed from the Debian Packages.
• Upgrade XWiki Installed in Docker.
• Upgrade the XWiki .war Package.
• Upgrade the Demo Package.

Part 2 Upgrading the flavor

See Flavor Upgrades, Upgrade the Standard Flavor of the Wiki Using the Distribution Wizard and Programming Rights Impact on Distribution Wizard.

Alternative Start fresh, plus Export and Reimport your data

See Upgrade the Flavor Using the Export/Import Method, its Limitations and Move XWiki to a New Server and Upgrade it.

Downgrading

See Downgrade your Wiki.

Troubleshooting

See Upgrade Troubleshooting, XWiki Startup Stuck during Solr Initialization and XWiki Startup Failure after a Required Java Upgrade.