In case any of you out there in Skuid land happen to be using this feature to inject JavaScript into the standard Visualforce pages. Another door slammed in our face. http://docs.releasenotes.salesforce.com/en-us/winter16/release-notes/rn_forcecom_general_requirescript.htm REQUIRESCRIPT No Longer Executes JavaScript On Page Load We’ve changed the way custom JavaScript buttons and links work when they use REQUIRESCRIPT. The REQUIRESCRIPT resources aren’t included in the page until the user clicks the custom JavaScript button or link.