html sidenav item not working

[meyermt]

Have you read the Contributing Guidelines on issues?

• I have read the Contributing Guidelines on issues.

Prerequisites

• I'm using the latest version of Docusaurus.
• I have tried the npm run clear or yarn clear command.
• I have tried rm -rf node_modules yarn.lock package-lock.json and re-installing packages.
• I have tried creating a repro with https://new.docusaurus.io.
• I have read the console error message carefully (if applicable).

Description

Since migrating to Docusaurus v3, the html sidebar items in my project do not appear. Upon inspection I don't see any list item for them, either. From what I can tell, the spec for the item did not change in the new version. It can be reproduced from https://new.docusaurus.io as well (link attached).

Reproducible demo

https://stackblitz.com/edit/github-rha1jp?file=sidebars.js

Steps to reproduce

1. Update sidebars.js to used the non auto-generated sidebar option, comment out the auto-generated option.
2. Add an html sidebar item
3. Run

Expected behavior

Expected html sidebar items to show up.

Actual behavior

Not seeing html sidebar items.

Your environment

• Docusaurus version used: 3.0.0
• Environment name and version (e.g. Chrome 89, Node.js 16.4): Chrome and Safari, Node.js 18.x

Self-service

• I'd be willing to fix this bug myself.

[meyermt]

Looks like this is resolved with #9531 , closing.