Bug Fixes:

• Fixed a bug where the ReplaceBlocks property would not function properly.

Previous Changes from 1.8.2:
This is a major new version of CustomStructures. The structure configuration and LootTable format have changed significantly. Be certain to check out the update guide for information on how the plugin automatically updates its configuration file.

New Features:

• Added the ability to add a target mask to a structure. (Info)
• <world>, <uuid>, and <structName> placeholders can now be used on Command Signs. (Info)
• LootTables from vanilla Minecraft and Datapacks can now be used. (Info)
• Added a command to test LootTables on containers. (Info)
• Added the ability for SubSchematics to be vertically repositioned. (Info)

Changes:

• A new structure spawning algorithm has been implemented. (See the details here)
• The structure configuration files now have a consistent naming convention. All properties are now in PascalCase.
• Several configuration options have been renamed.
• Logged Structures are now stored in a SQLite db file instead of a yaml file. (Increases the nearby command speed significantly).
• You can now specify how many structures you want to find when using the nearby command. (Info)
• You can now specify what structure to find when using the nearby command. (Info)
• The level of a mythic mob can now be randomized when using MythicMob signs.
• Loot Items in configuration loot tables can now have different types. (Standard and Custom come with the plugin by default).

Developer API Updates:

• Added an API to add custom structure signs. (Info)
• Added an API to programmatically define a LootTable. (Info)
• Added an API to create custom Configuration Loot Item types. (Info)

The wiki has also been re-written for this update to add in more details about configuring the plugin.