diff --git a/Delta/Extensions/UIDevice+Processor.swift b/Delta/Extensions/UIDevice+Processor.swift
index c6f6933..2f84c4c 100644
--- a/Delta/Extensions/UIDevice+Processor.swift
+++ b/Delta/Extensions/UIDevice+Processor.swift
@@ -26,7 +26,10 @@ extension UIDevice
     }
     
     var supportsJIT: Bool {
-        guard #available(iOS 14.2, *) else { return false }
+        // As of iOS 14.4 beta 2, JIT is no longer supported :(
+        // Hopefully this change is reversed before the public release...
+        let ios14_4 = OperatingSystemVersion(majorVersion: 14, minorVersion: 4, patchVersion: 0)
+        guard #available(iOS 14.2, *), !ProcessInfo.processInfo.isOperatingSystemAtLeast(ios14_4) else { return false }
         
         // JIT is supported on devices with an A12 processor or better running iOS 14.2 or later.
         // ARKit 3 is only supported by devices with an A12 processor or better, according to the documentation.