As of compose 1.0.1 many of the Compose Animation APIs are still @Experimental.

Because of AndroidX internal restrictions, modules cannot depend on experimental APIs from other modules.

In the interest of providing a solution for Navigation with custom Compose Animations as soon as possible, we opted to provide a new module in Accompanist Navigation. Once all the required animation APIs become stable, which is planned as part of Compose 1.1.0, we will move the implementation back into the Jetpack Navigation library from Accompanist Navigation Animation.

For more details, see the Animations in Navigation Compose blog post.