Related command
az ad group show --group <group_name>

Describe the bug
Prior to v2.37 of the azure-cli, this command would complete successfully:
az ad group show --group some_group+
As of v2.37 that same command returns the following error:
No group matches the name of 'some_group+'

If you execute the same command on another group that does not have the + in its name:
az ad group show --group some_group
...then the command completes successfully.

To Reproduce

1. Ensure az --version returns a version < 2.37.
2. az ad group show --group some_group+ - command successful.
3. Upgrade azure-cli to version 2.37.
4. az ad group show --group some_group+ - command fails.

Further, no amount of shell escaping results in success:

• az ad group show --group "some_group+" - command fails.
• az ad group show --group 'some_group+' - command fails.
• az ad group show --group some_group\+ - command fails.

Expected behavior
I suspect this behavior is a result of the recent move from the Active Directory Graph API to the Microsoft Graph API when upgrading to v2.37 of the azure-cli. That said, I think there is a reasonable expectation that rules around illegal characters should at least be harmonized between the two graphs before migrating from one to the other.

I found no mention of this behavior in the documentation I was able to locate on the differences between the two graphs.

Environment summary
Experienced in Azure Cloud Shell which recently upgraded azure-cli to v2.37, and also in an installed azure-cli instance on a Manjaro Linux workstation.