2.18.0

• Update to Microsoft.Identity.Abstractions 5.3.0
• Update Azure.Security libraries to 4.6.0

New features

• Added support for Managed Identity Federated Identity Credential. See issue #2749 for details.
• Added support to read a section to register multiple downstream APIs. See issue #2255 for details.

Bug fix

• TokenAcquirer factory is now thread safe and can handle multiple azure regions. See issue #2765 for details.