This is the issue [1].�� I did a fix a while ago, but its preload (see issue) stops Delay processing while it loads, which locked up the UI loop and Integration Tool. That was recently fixed by issue [2], but I wanted to rebase the [1] on the latest Pharo - but first I should strip out #newCodeEnabled: wrappers to make review of [1] easier.�� There is a new issue [3] for that. ��
Now if you tell me you are keen to review [3] and [1] when they are ready, I'll bump them to the top of my queue.
cheers -ben