Error while running event progressive-productivity::on_init()
progressive-productivity/utility/product_cache.lua:28: table index is nil
stack traceback:
progressive-productivity/utility/product_cache.lua:28: in function 'setupStorage'
progressive-productivity/control.lua:10: in function <progressive-productivity/control.lua:9>

Is this a mod incompatibility or is anyone else getting the same?

Not mod author, but I managed to load my save with various mods without problem on the new update, so I suspect it is a mod incompatibility somewhere on your end.