Ok a lot more investigations later, I have isolated the change of behaviour.
donecanvasdialog 1 -1 0 0 0 0 0 0 0 0 0
Which was used to reset the patcher’s sub patchers at the top left is corrupting the ability for a struct to broadcast its click through a graph. Now, can anyone on the Pd dev confirm this?
How to reproduce:
In pd 0.53.2 it works
In pd 0.54.0 it doesn’t receive the click from the #0-rectangle (so it draws and emits nothing)
To fix it, remove top left the donecanvasdialog elements (2 of them)
Then reinstantiate the 3 pd Subpatches on the right
(Or you can just try the one I attach)
It is not fixed completely yet but the click gets through now. I really wonder what has changed there…
Any pointer (pun intended) welcome
p