After the latest product announcements (Leica M6, Leica SL2-S Reporter, Leica Summilux 35mm f/1.4 V1), here is an updated list of rumored/expected Leica cameras and lenses (see the previous lists here):
Leica Q3 rumored for 2023 with a 60MP sensor
New rumor: silver Leica SL2 camera is a possibility.
Leica M11 Monochrom (should be coming soon – mayb even in December 2022 or January 2023).
Leica M interchangeable lens camera with built-in EVF (Leica RM?) quote: “if there were sufficient demand, Leica would consider producing an M with EVF” (source).
Rumored Leica lenses – more M lenses are expected to be announced in order to take full advantage of the new 60MP sensor:
Leica L3 watch with a mechanical alarm complication
Leica mirrorless medium format camera is scheduled for production in 2025 (see the first picture of the camera prototype here).