Astro Info

Astro                    v5.7.10
Node                     v22.14.0
System                   macOS (arm64)
Package Manager          npm
Output                   static
Adapter                  none
Integrations             none

If this issue only occurs in one browser, which browser is a problem?

No response

Describe the Bug

When rendering a native customizable select widget, the HTML output on .astro pages will be messed up. See the reproduction for more details.

What's the expected result?

A fully functional select widget should be rendered. See the reproduction for more details.

Link to Minimal Reproducible Example

https://stackblitz.com/edit/github-wt73r64g?file=src%2Fpages%2Ftest.html,src%2Fpages%2Findex.astro&on=stackblitz

Participation

• I am willing to submit a pull request for this issue.