It is compatible now, you have to find the right file, it's just not on goo yet. Check the TWRP thread in Dev section. _ I am using it on KK now without issue.
// Nexus 5 (D821) // Liquid // UBER //
Note 3 (SM-N9005) // AOSP ROM of variety // Lean or temasek's Kernel // - Dumped. No more Samsung