So as I promised tonight I will share a live screencast about creating GUIs with Pharo, that includes UIManager , Morphic and a bit of Spec. The focus will be mainly Morphic that I am more familiar with.
The place is my twitch channel
https://www.twitch.tv/kilonaliosYou dont need an account to watch but if you want to chat with me live during the screencast you do. I will be checking Discord chat as well.