A new option was added. Now you can use ignore_meta option in the compression section at config.yml file ( Enabling this option items with meta will not be taken in count in the compressing process). Also a new command for debugging and verification purposes was added /advancedchests options <option>.

+1 New option!
+1 New command!

This is a BETA version, please be cautious using these types of versions because it might present some bugs in the worst cases.