Operating system: Arch Linux
Graphics card: RTX 2080
Broken: (All, latest check: 2.80 beta, 2019-07-08 22:16)
Short description of error
The update callback is not being called when the values coming into the node's sockets are changed, be it directly or via other connected nodes. It gets called only when a new link is established/removed with the node's sockets. The socket value update doesn't react to anything.
Exact steps for others to reproduce the error
Having something like this in a script:
class MyNode (bpy.types.CompositorNodeCustomGroup): bl_name='Name' bl_label='Label' update = lambda _: print("I like turtles!") socket_value_update = lambda c: print("Hakuna matata!") ....