Here is an updated list of upcoming/rumored Leica cameras and lenses from LeicaRumors:
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Leica Q Silver Chrome camera (mockup shown above)
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Leica mirrorless camera with L-mount and EVF (mockup shown above)
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Leica Noctilux-M 75mm f/1.25 ASPH lens (there could also be a new 35mm f/1 or f/0.95 M-mount lens)
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Leica APO-Summicron-SL 75mm f/2 ASPH lens
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Leica Thambar-M 90mm f/2.2 lens (old version shown above)
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New Leica APO-Summicron 50mm LHSA 50th anniversary lens
Leica Sofort “LimoLand by Jean Pigozzi” edition camera (Leica x Limoland)
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New Zenit-Leica camera
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Leica Andy Summers limited edition camera (Ralph Gibson edition shown above)
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Huawei Mate 10 and Mate 10 Pro with dual Leica cameras
Via LeicaRumors