Since updating to the 20140315 nightly, SMS has been working as it did before.
Devices
(Unlocked & Rooted w/ Nova Launcher Prime, Nexus Louder & GravityBox Tweaks)

Samsung Galaxy Nexus (maguro)
Rom: CM11 Official Nightly 04/05/14
Recovery: CWM Touch 6.0.4.7

Asus Nexus 7 (grouper)
Rom: CM11 Official Nightly 03/28/14
Recovery: CWM Touch 6.0.4.7