Scoped encapsulation silently drops ::part() and mis-scopes ::slotted() in Stencil components
A Stencil component library supporting both scoped and shadow encapsulation exposes styling hooks that behave differently with no compile-time warning. In scoped mode, the compiler injects a generated class onto the host and rewrites template selectors, but ::part() is a native shadow-DOM pseudo-element and is not rewritten, so those rules are dropped. ::slo
stenciljs