sphinx-version-warning
sphinx-version-warning is a Sphinx extension that allows you to show a Warning banner at the top of your documentation.
By default, the banner is shown based on the version that is displayed compared (using SemVer) with the latest version on the server.
Installation
pip install sphinx-version-warning
Configuration
Add this extension in your conf.py file as:
extensions = [
# ... other extensions here
'versionwarning.extension',
]Documentation
Check out the full documentation at https://sphinx-version-warning.readthedocs.io/