Oryx build fails only supporting Python 3.10.x

### Bug Report - At what date and time did you most recently experience the problem? Most recently happened on 2026/03/30 07:52 UTC - Where did you experience the problem? E.g. Azure Web Apps, Azure Functions, Azure Container Registry, or offline use. Azure functions remote build - If your repo is publicly available please share its URL: No. - What happened? Oryx build for Python version 3.13 has worked for months, but now I am getting a failed remote build for Azure Functions with Oryx stating that only Python 3.10.x is supported. - What did you expect or want to happen? I expected Oryx build on Azure to support platform version Python 3.13. - How can we reproduce it? Try deploying an azure function app using oryx build for python 3.13 func azure functionapp publish insert-function-app-name - Do you have log output? Please include between the backticks: ``` Resolving worker runtime to 'python'. Getting site publishing info... [2026-03-30T07:51:22.580Z] Starting the function app deployment... Creating archive for current directory... Performing remote build for functions project. Deleting the old .python_packages directory Uploading 186.09 KB [#############################################################################] Remote build in progress, please wait... Updating submodules. Preparing deployment for commit id '033a582f-d'. PreDeployment: context.CleanOutputPath False PreDeployment: context.OutputPath /home/site/wwwroot Repository path is /tmp/zipdeploy/extracted Running oryx build... Command: oryx build /tmp/zipdeploy/extracted -o /tmp/build/expressbuild --platform python --platform-version 3.13 -i /tmp/8de8e31265afc0a -p packagedir=.python_packages/lib/site-packages Operation performed by Microsoft Oryx, https://github.com/Microsoft/Oryx You can report issues at https://github.com/Microsoft/Oryx/issues Oryx Version: 0.2.20260204.1+0fdbe200b286be083841ff7fa201c6c2316dc6b9, Commit: 0fdbe200b286be083841ff7fa201c6c2316dc6b9, ReleaseTagName: 20260204.1 Build Operation ID: e50989f6a9bb3c8a Repository Commit : 033a582f-d111-48a8-8bce-59878209db9b OS Type : bullseye Image Type : githubactions Primary SDK Storage URL: https://oryx-cdn.microsoft.io Backup SDK Storage URL: Detecting platforms... External SDK provider is enabled. Requesting metadata for platform python from external SDK provider Requesting metadata for platform python from external SDK provider Error: Platform 'python' version '3.13' is unsupported. Supported versions: 3.10.0, 3.10.0a2, 3.10.13, 3.10.14, 3.10.15, 3.10.16, 3.10.17, 3.10.18, 3.10.19 Error: Platform 'python' version '3.13' is unsupported. Supported versions: 3.10.0, 3.10.0a2, 3.10.13, 3.10.14, 3.10.15, 3.10.16, 3.10.17, 3.10.18, 3.10.19\n/opt/Kudu/Scripts/starter.sh oryx build /tmp/zipdeploy/extracted -o /tmp/build/expressbuild --platform python --platform-version 3.13 -i /tmp/8de8e31265afc0a -p packagedir=.python_packages/lib/site-packages Generating summary of Oryx build Deployment Log file does not exist in /tmp/oryx-build.log The logfile at /tmp/oryx-build.log is empty. Unable to fetch the summary of build Deployment Failed. deployer = Push-Deployer deploymentPath = Functions App ZipDeploy. Extract zip. Remote build. Remote build failed! ``` <!-- Thanks again! -->