A new version has been released for WorldRebuilder, it is available for download here.
Hello everyone! 
This update of WorldRebuilder contains localization support and some critical bugfixes. 
Tested with:
forge-1.16.5-36.2.39
spongeforge-1.16.5-36.2.5-8.1.0-RC1313-universal
Java 8
Release Notes:
Added:
- Support for SpongeAPI 8.2.0
- Localization/Translations support. If you would like to add your language, open a PR!
Improved:
- Performance of rebuild strategies, mainly SAME_BLOCK_CONTINUOUS.
Fixed:
- Selecting a strategy in Strategy Command.
- Other bugfixes.
If you find any bugs/problems, please post them at Github. 