Default Flash DE ROM?

Is there a link to the stock dev edition ROM? Preferably the newest version? I haven't been able to find one. Will I have any issues flashing on my AT&T M8?

Sent from my HTC One_M8 using XDA Premium 4 mobile app
My Devices:

Apple iPad Air 128GB WiFi+LTE

Nexus 7 2013 LTE (GF's Tablet)
Rom: Completely Stock

Galaxy Note 3 On T-Mobile (GF's Phone)
Rom: Stock

iPhone 5S 64GB Unlocked
Jailbroken on iOS 7.0.6