Show interpolation plugin in Glyphs 2 extremely slow

I’m not sure why is this happening, but all of the sudden Glyphs became extremely slow.
I found a gazillion of messages in Console:
"Glyphs: Show interpolation plugin:
glyphInterpolation: ‘>>NSDictionaryM’ object is not callable

Any clue?

That seems to be a incompatibility of the plugin with Glyphs 2. Did you check if you have the latest version? You can do that in Preferences > Addons > Plugins.

True, thanks, but the link on Download is broken.