Unless I'm badly mistaken, SmalltalkHub is now developed on, and for, Pharo, not GNU Smalltalk. I have no insight into the reason for that change, however. (I

Unless I'm badly mistaken, SmalltalkHub is now developed on, and for, Pharo, not GNU Smalltalk. I have no insight into the reason for that change, however. (I'm basing this on the code for SmalltalkHub, which at least used to be available on SmalltalkHub, and which had Pharoisms in the code base. It's entirely possible they simply moved those pieces over to GNU Smalltalk, though.)