Vue version

The lasted version

Link to minimal reproduction

https://play.vuejs.org/#eNqNUt1KwzAYfZWSW7cGHXgxylDHQGX+4HbZm9rGLlubhOTrrIxdqoh7DhFB36riY5ikXTdFx1ooX845nJzz0Rk6FMKdZgS1kadCSQU4ikAmOj7zcAnoUR+ApCIJgOiT43h5qhVgX2a+Hu8bmZkS2jkenvV3uoNB8bEo7l+/Ht+K95fPp+fiYeGsPf+rPKxNKrtrua2xEW3niau0HrY9dNO6HWogmgouoZkGwh0rzvRmZqazXxHKR23HIgYTlN1R1hSSG9hHIwCh2hhnTExiN+QpXikOWu7uvruHI6oAUxaR3E3H2s54zX0213eDCjm7ofGvm7WPoAmRFwIoZz8TBEnCb08tBjIjjSUejkg4+QMfq7yMeimJInJKfFRzEMiYQEn3Buck13NNpjzKEq3eQF4RxZPMZCxlRxmLdOw1nU17YhdJWTxUvRwIU8tSJqjdhtX7SP+Y3Q3VV3Fbbqve4vwbcOsHVg==

Steps to reproduce

In vue, the above code are rendered as:

What is expected?

In standard html, the above code should be rendered as:

What is actually happening?

https://html.spec.whatwg.org/multipage/parsing.html#parsing-html-fragments <xmg></xmg> is a RAWTEXT tag, all content in it should be displayed as text, but vue compile it uncorrectly.

System Info

No response

Any additional comments?

No response

See https://github.com/vuejs/core/pull/9808#issuecomment-1849309891