This uSkyBlock release is for Spigot (and Paper) 1.15.x only!

Dependencies:
WorldEdit 7.1.0: https://dev.bukkit.org/projects/worldedit/files/2869453
WorldGuard 7.0.2: https://dev.bukkit.org/projects/worldguard/files/2855477
Multiverse-Core 4.1.0: https://dev.bukkit.org/projects/multiverse-core/files/2768599
Multiverse-NetherPortals 4.1.0: https://dev.bukkit.org/projects/multiverse-netherportals/files/2768602
Vault 1.7.2: https://www.spigotmc.org/resources/vault.34315/update?update=274990

uSkyBlock currently doesn't support FAWE.

Please note that:
1) Please, backup your full server before upgrading to v2.8.8;
2) Regenerating an island reports the time it took in the serverlog for now.

Changes in 2.8.8:
Version 2.8.8 contains mostly changes under the hood, especially in the way we hook into Vault, in preperation of additional changes to better support hooking into other plugins. Also added metrics in preperation of new/additional storage methods for player and island data.

The /usb chunk regen command works again.

Please report all the issues you experience in the Discussions-section on the forums or on Github. Include the full server log and possibly a timings report if there are performance issues.