A hard API change was made in order to optimize a method that was causing some performance issues. Please be aware that updating to this version might break compatibility with some other plugins. If that's the case please inform the devs so they can update their hook to the latest version of AdvancedChestsAPI ( Compatibility with UpgradeableHoppers was previously tested and it is working).

+Optimization

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