If you have a collapsed or ‘continuously rasterized’ precomposition you want to fade in after effects you can add a ‘Transform’ effect to the precomposed layer so not all your masks will show up in the fade!

If you have a collapsed or ‘continuously rasterized’ precomposition you want to fade in after effects you can add a ‘Transform’ effect to the precomposed layer so not all your masks will show up in the fade!