: Features a "Precision" slider (0-100%). Lowering it to around 95% can help soften a key if it becomes too sharp or difficult to modify.
“While things have improved (except the antique-but-capable Keylight), Composite Brush is pretty remarkable, though motion blur can sometimes be tricky.” Reddit · r/AfterEffects · 10 months ago Introduction to Composite Brush for After Effects v1.3
Users often highlight its ability to handle "un-keyable" footage and its superiority in specific edge cases.
: Built-in "Blur" and "Choke" controls allow for fine-tuning edges without needing additional matte-modifying effects.
: The plugin uniquely sources original pixel data, ignoring effects placed beneath it in the stack. This allows you to reorder layers or pre-color-correct without breaking the key.