@lwc/engine-core
9.5.3 · 27 Oct 2026MIT91.6k / weekRepositoryHomepagenpmAtom feed
Your version
1.18.0 is the newest release of 1.x.
In short
2 new
Release note
Improvements
#2007, #2019 - engine: Add support for native custom elements reference in the template. With this change, an element tag registered with the custom elements registry using
customElements.define()(developer.mozilla.org/en-US/docs/Web/API/Custom…) can be referenced in a LWC component's template. Such an element will be upgraded using the registered custom element constructor.
Internal
#2020 - template-compiler: Exposes missing compiler types