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

Unlisted blog posts should not appear on the blog archive page, because it makes them discoverable!

Missing implementation from original feature #8004

Reproducible demo

No response

Steps to reproduce

Unlisted post in production: https://docusaurus.io/tests/blog/unlisted-post

Shouldn't be displayed on this page https://docusaurus.io/tests/blog/archive

Expected behavior

Shouldn't be displayed on this page https://docusaurus.io/tests/blog/archive

Actual behavior

It is displayed on https://docusaurus.io/tests/blog/archive (but shouldn't)

Your environment

No response

Self-service

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