This release is designed to work on Minecraft (Spigot) 1.13+ it won't work on any older version of Minecraft. For Minecraft 1.12 and older please use old version 3.5.4. It was build and tested against WorldEdit RC-3, it won't work with any older version of WorldEdit. It might work with latest dev builds but this is not guaranteed.
This version was tested on: Spigot 1.13.2, Spigot 1.14.1, Paper 1.13.2, Paper 1.14.1
Changes:
* fixed bug in class scanner causing server timeout
* added support for WorldEdit RC-3
* fixed compatibility bug for Paper,
* optimization of chunk loading for stage 1
* refactor of class injector
* fixed API compatibility with 1.14
* fixed potential dead lock in 1.13
* optimized large area/chunk edits
* Fixed multiple block change
* Fix undo file not found error
* Fix undo for running operations
* Fix player handling when quit and rejoin without cleaning the session
* Updated Local session compatibility
* Updated missing WE operations
* Optimized free memory check
* Optimized bock get
* Injector refactoring