According to CanonRumors, there is a chance that Canon will announce another BR lens in late 2015 to early 2016. Source said this lens will be a zoom lens, most likely the rumored EF 16-35mm f/2.8L III lens with BR element.
The new released EF 35mm f/1.4L II USM BR lens is already in stock at Adorama.
via: CR
Read More: Canon Rumors