Dropdown that gets clipped by the hidden ancestor
Tooltip clipped by overflow clip
Tooltip clipped above the host
Flyout menu clipped to the right of the host
Dropdown with utility classes still gets clipped.
Overlay-style dialog content still needs to escape.

Hidden container with only static content.

Positioned child can escape because overflow is visible.
A genuine scroll region is allowed to contain positioned children.

Positioned decoration remains inside the clipping box.

Mockup frame with a contained absolute overlay.

A hidden next slide is clipped intentionally by the viewport.
Before/after comparison panel clipped by the split frame.