Posted
We just received a notice that Apple has introduced digital signing problems with its latest update OS X 10.11.4. This may prevent our latest updates from starting on versions of OS X prior to 10.11 You may see an error message that the app is damaged or incomplete, or similar.
If you are running OS X 10.11.3 or earlier and the latest updates of Synfire or HN2 work for you, please report your version of OS X. This will help us to gather some more information about the scope of this problem.
Thanks.