Better Camera Projection Workflow
The Camera projection workflow in AE is horrible. A dedicated Projection effect as well as being able to project higher resolution would be much appreciated. Currently the resolution limit is 4K and the workflow for setting up spot lights and light transmission onto geo is horribly inefficient.

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Dmitry commented
And alpha channel on projected layers!
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pat pro commented
We need for that a hole new simple 3D environment in AE with only some 3D primitives and a basic mesh/deform tools to project on properly.
Also, they should make a camera as projector (maybe a switch in the camera options) instead of the crazy workaround with a light. When i look through this projector i could easily draw a mask in the region where the projector should affect a layer or geometry.
Sadly I pray this since nearly 10 years but no one here is listening :-(.