Fail to deploy local git with an error "'node.js' version '~14' is unsupported"

[v-xinda]

OS: Win10/Mac
Build Version: 20201202.1

Repro Steps:

1. Open the node.js project in VS Code --> Initialize the local Git repository by "git init".
2. Make sure your changes are committed in git.
3. Create a Linux function app with Node14 runtime and App Service Plan/Premium hosting plan --> Change deployment source to local git.
4. Deploy the project to the function app.
5. Check whether deploy the project to the function app successfully.

Expect:
Deploy the project to the function app successfully.

Actual:
Fail to deploy the project to the function app with an error "'node.js' version '~14' is unsupported".

Details in Output:

11:20:44 PM: WARNING: Ignoring preDeployTask "npm prune" for non-zip deploy.
11:20:46 PM nicole-node: Deploying Local Git repository to "nicole-node"...
11:21:34 PM nicole-node: Updating branch 'master'.
11:21:35 PM nicole-node: Updating submodules.
11:21:35 PM nicole-node: Preparing deployment for commit id '8e14c7a206'.
11:21:35 PM nicole-node: Repository path is /home/site/repository
11:21:35 PM nicole-node: Running oryx build...
11:21:35 PM nicole-node: Command: oryx build /home/site/repository -o /tmp/build/expressbuild --platform nodejs --platform-version ~14 -i /tmp/8d89692e6ece9b1
11:21:43 PM nicole-node: Operation performed by Microsoft Oryx, https://github.com/Microsoft/Oryx
11:21:43 PM nicole-node: You can report issues at https://github.com/Microsoft/Oryx/issues
11:21:43 PM nicole-node: Oryx Version: 0.2.20200917.1, Commit: 59deb778658a124cb74ea8e2c8f39fa87abcc9d9, ReleaseTagName: 20200917.1
11:21:43 PM nicole-node: Build Operation ID: |fka6Zj/Kw3E=.6954a09e_
11:21:43 PM nicole-node: Repository Commit : 8e14c7a206ae9bc6572340f3b49fdf5ffce3f320
11:21:43 PM nicole-node: Detecting platforms...
11:21:44 PM nicole-node: Error: Platform 'nodejs' version '~14' is unsupported. Supported versions: 4.4.7, 4.5.0, 4.8.0, 6.2.2, 6.6.0, 6.9.3, 6.10.3, 6.11.0, 6.17.1, 8.0.0, 8.1.4, 8.2.1, 8.8.1, 8.9.4, 8.11.2, 8.12.0, 8.15.1, 8.17.0, 9.4.0, 10.1.0, 10.10.0, 10.14.2, 10.21.0, 10.22.0, 12.18.2, 12.18.3
11:21:47 PM nicole-node: /opt/Kudu/KuduConsole/Scripts/starter.sh oryx build /home/site/repository -o /tmp/build/expressbuild --platform nodejs --platform-version ~14 -i /tmp/8d89692e6ece9b1
11:21:54 PM nicole-node: Deployment failed.

More Info:
This issue doesn't reproduce for the Windows function app created with Node14 runtime and App Service Plan hosting plan.