The 1st two product line implementation is now complete. You can now try 8.3 Alpha 1 to send your feedback if you use a product based on DL-3000 and DL-5000 series:
Delivery is forecasted between end of July, early August for DL-3000 and DL-5000 on Windows 7, 8, 8.1, 10TH1, 10TH2, Creators Update and Fall Creators Update.
DL-6000 series based products are next in implementation.Luke commented
Has anyone tested to see if macOS 10.12.4 beta's Night Mode works with DL? I assume because it's system based it's likely it would...?