Hi, I reverted to 5.0 because Pharo 6.0 and 6.1 64 bit hangs on��my Mac Mini with UDH 4K screen (may that has to do with?)with its maiden image (at first start after downloadwhen: ��I resize or go to full screen. Maybe VM problem?my mac Mini metrics:Hardware Overview:�� Model Name: Mac mini�� Model Identifier: Macmini6,2�� Processor Name: Intel Core i7�� Processor Speed: 2,6 GHz�� Number of Processors: 1�� Total Number of Cores: 4�� L2 Cache (per Core): 256 KB�� L3 Cache: 6 MB�� Memory: 4 GB�� Boot ROM Version: MM61.0106.B1F�� SMC Version (system): 2.8f0maybe this problem was already reported, but could find it.��Kind RegardsTedvG���� ��