Azure ML 2.38 fails to create models #8976
Description
Describe the bug
The release of 2.38 of the azure ml library fails to create models
The new version is causing the command az ml model create to fail
No other code has changed within these pipelines and repos over the last week
Related command
As part of our setup for azure ML pipelines we install the latest release version
az extension add -n ml -y --allow-preview falseTodays logs add the following, which was not present the previous day
2025-07-16T04:36:50.9844632Z WARNING: Preview version of extension is disabled by default for extension installation, enabled for modules without stable versions.
2025-07-16T04:36:50.9845342Z WARNING: Please run 'az config set extension.dynamic_install_allow_preview=true or false' to config it specifically.
2025-07-16T04:36:54.2704800Z WARNING: The command requires the extension ml. It will be installed first.
2025-07-16T04:36:57.7133188Z WARNING: Extension 'ml' 2.36.0 is already installed.
2025-07-16T04:36:57.7135331Z WARNING: It will be overridden with version 2.38.0.
Errors
This is repeatable across all models being trained
Issue script & Debug output
az ml model create --name $Name --path $Path --type custom_model -o json
Expected behavior
Model is registered, the output is JSON and no entries written to STDERROR
Environment Summary
/usr/bin/az --version
azure-cli 2.75.0
core 2.75.0
telemetry 1.1.0
Extensions:
azure-devops 1.0.2
ml 2.36.0
Dependencies:
msal 1.33.0b1
azure-mgmt-resource 23.3.0
Additional context
No response