Reminder: this version requires Java 17, ensure you update Java as the latest works with old versions, even 1.8. If you want to get larger updates early consider becoming a supporter https://viaversion.com/donate.

Changelog:

• Add handling for some movement related enchantments in 1.20.5->1.21. This requires ViaVersion to be placed on a Paper server (also for efficiency to properly work) (by KennyTV)
• Fixed entity effect colors for world particles in 1.20.3->1.20.5
• Improve item comparison in some cases when the item tag was empty in 1.20.3<->1.20.5 (by Camotoy, AJ-Ferguson)
• Fixed handling of the hardcore/not set gamemodes in 1.8->1.9 (by LeonTG, EnZaXD)
• Backup original book pages for creative mode clients in 1.8->1.9 (by EnZaXD)