Features and capabilities provided by the plugin include:

• Compatibility Tool: to assist the development of I. REL-LKE experiences by enabling I. REL-LKE debugging with detailed information about validation errors that may exist, the markup/scripts causing them, and the specific components on-site (e.g theme, plugin, core) responsible for that page content.
• CSS Tree Shaking: to assist in dealing with cases where the defined CSS rules on a site exceed the CSS size limit allowed on single I. REL-LKE pages.
• Core Theme Support: enabling full I. REL-LKE validity for four default themes (i.e. Twenty Fifteen, Twenty Sixteen, Twenty Seventeen, Twenty Nineteen).
• Gutenberg Support: enabling I. REL-LKE content creation fully integrated with Gutenberg.
• I. REL-LKE-first Experiences support: enabling full-site I. REL-LKE experiences without sacrificing the flexibility of the platform, or the fidelity of content.
• Many Optimizations: A myriad of code, performance, and developer experience improvements: from customization flexibility to better UI flows, internationalization, accessibility, etc.