Wiki Release: 2026.09.5 · UltimateClans: 8.21.0 · Documentation branch: 8 · Legacy / discontinued

Installation and first start#

1. Back up existing plugin data.
2. Install the UltimateClans JAR for this branch.
3. Start once to generate files.
4. Stop before large storage/config changes.
5. Configure storage, integrations, commands and gameplay rules.
6. Start and verify the first startup errors are clear.
7. Test non-production data before scheduled/reward automation.

Updating#

Back up, replace the JAR, compare new configuration keys, and never assume files from different major branches are interchangeable.