According to recently rumors from PhotoRumors, the long awaited Sigma 85mm f/1.4 Art lens will be officially announced soon. Most likely to be announced around Photokina 2016 in September.
Canon has filed a new lens patent for EOS M mirrorless cameras. This lens is EF-M 9-17mm f/3.5-5 lens.
According to a Zeiss manager, Zeiss is planing to release three new lenses for Photokina, one of these would be a Loxia telephoto lens.
Several weeks ago, Sigma Japan has filed a new lens patent on Sigma 24-70mm f/2.8 DG OS HSM Art Lens, now Sigma Japan filed another lens patent: the Sigma Sports 70-200mm f/2.8 DG OS HSM lens. Seems this two new zoom lenses will be announced together in next few months, maybe at Photokina 2016 in September.