Scorch doesn't work in Mac 10.11.1 Safari 9.0.1
I installed Scorch 620b89 in Mac 10.11.1 Safari 9.0.1. But when I open a Scorch .htm, it just shows a blank screen saying to download Scorch. Cmd-Click shows no version. Scorch worked ok on previous Mac and Safari versions. When I open the .htm in Firefox 41.0, it shows "Activate Sibelius Scorch" and works ok. How can I get Scorch to work in Safari?