There was only a small mention of the Macro Ring Lite MR-14EX II buried in the Rebel T5 announcement last night. Thankfully, Canon Professional Network has published a little more information on the new ring light.
From Canon Professional Network
"Canon has expanded the EOS System with the launch of the new Macro Ring Lite MR-14EX II. Designed for enthusiast and professional DSLR photographers who are passionate about macro photography, the Macro Ring Lite MR-14EX II provides incredible flexibility to light and shoot a diverse range of subjects, and features independent flash heads, increased responsiveness and enhanced Custom Functions."
See more information at Canon Professional Network.
B&H has the Canon MR-14EX II Macro Ring Light available for preorder.