Here are a couple of rumors and news:
Tamron:
The Sony E-mount community might soon get a super fats lens. Tamron patented the 70-130mm f/2.0 Full Frame lens (SonyAlphaRumors.com).
Panasonic:
There is a new rumor about a possible L-mount cine camera. Read the details on L-rumors.com
Olympus:
Olympus should soon release a new E-M1X firmware update with Starry Sky AF (43rumors.com).
Fujifilm:
Fujifilm patented XF two new tele lenses: 300mm F4 and 500mm F5.6 (Fujirumors.com).