Periodically, newer versions are released for Python software either due to security flaws or to include additional functionality. Using the latest Python version for App Service apps is recommended in order to take advantage of security fixes, if any, and/or new functionalities of the latest version. This policy only applies to Linux apps. This policy requires you to specify a Python version that meets your requirements.
CIS Microsoft Azure Foundations Benchmark recommendation 9.7
Ensure that 'Python version' is the Latest Stable Version, if Used to Run the Web App
If your app is written using version-dependent features or libraries, they may not be available on the latest version. If you wish to upgrade, research the impact thoroughly. Upgrading may have unforeseen consequences that could result in downtime.
Periodically, newer versions are released for Python software either due to security flaws or to include additional functionality. Using the latest full Python version for web apps is recommended in order to take advantage of security fixes, if any, and/or additional functionalities of the newer version.
Newer versions may contain security enhancements and additional functionality. Using the latest software version is recommended in order to take advantage of enhancements and new capabilities. With each software installation, organizations need to determine if a given update meets their requirements. They must also verify the compatibility and support provided for any additional software against the update revision that is selected. Using the latest full version will keep your stack secure to vulnerabilities and exploits.