More details are coming for the next L lens from Canon this year. It is expected to be a prime lens and a possible candidate is the EF 35mm f/1.4L USM successor which will be called the EF 35mm f/1.4L II.
Canon has recently announced the new EF 11-24mm f/4L ultra wide-angle zoom lens which has started to gain very good reviews overall.
According to Canon rumors, the Company will introduce a new L lens and it will be an addition to the prime lens lineup. The EF 35mm f/1.4L II USM lens is rumored for several years and now recent rumors indicates that it will be announced in late Summer to early Fall, 2015. Specs and price information is not available yet.
Canon EF 35mm f/1.4L II Lens To Be Announced in Late Summer
Previously the EF 35mm f/1.4L II lens is rumored to be slightly wider than the current version but weighs less and has a new type of coating on at least one of the elements. The lens is also feature a 77mm filter thread.