Update changelog for azure-identity 1.7.0b2 (#19693)

sdk/identity/azure-identity/CHANGELOG.md

@@ -1,23 +1,41 @@
 # Release History
 
-## 1.7.0b2 (Unreleased)
-### Added
+## 1.7.0b2 (2021-07-08)
+### Features Added
 - `InteractiveBrowserCredential` keyword argument `login_hint` enables
   pre-filling the username/email address field on the login page
   ([#19225](https://github.com/Azure/azure-sdk-for-python/issues/19225))
-- `CertificateCredential` and `ClientSecretCredential` support regional STS
-  on Azure VMs by either keyword argument `regional_authority` or environment
-  variable `AZURE_REGIONAL_AUTHORITY_NAME`. See `azure.identity.RegionalAuthority`
-  for possible values.
-  ([#19301](https://github.com/Azure/azure-sdk-for-python/issues/19301))
 - `AzureApplicationCredential`, a default credential chain for applications
   deployed to Azure
   ([#19309](https://github.com/Azure/azure-sdk-for-python/issues/19309))
 
-### Fixed
+### Bugs Fixed
 - `azure.identity.aio.ManagedIdentityCredential` is an async context manager
   that closes its underlying transport session at the end of a `with` block
 
+### Other Changes
+- Most credentials can use tenant ID values returned from authentication
+  challenges, enabling them to request tokens from the correct tenant. This
+  behavior is optional and controlled by a new keyword argument,
+  `allow_multitenant_authentication`.
+  ([#19300](https://github.com/Azure/azure-sdk-for-python/issues/19300))
+  - When `allow_multitenant_authentication` is False, which is the default, a
+    credential will raise `ClientAuthenticationError` when its configured tenant
+    doesn't match the tenant specified for a token request. This may be a
+    different exception than was raised by prior versions of the credential. To
+    maintain the prior behavior, set environment variable
+    AZURE_IDENTITY_ENABLE_LEGACY_TENANT_SELECTION to "True".
+- `CertificateCredential` and `ClientSecretCredential` support regional STS
+  on Azure VMs by either keyword argument `regional_authority` or environment
+  variable `AZURE_REGIONAL_AUTHORITY_NAME`. See `azure.identity.RegionalAuthority`
+  for possible values.
+  ([#19301](https://github.com/Azure/azure-sdk-for-python/issues/19301))
+- Upgraded minimum `azure-core` version to 1.11.0 and minimum `msal` version to
+  1.12.0
+- After IMDS authentication fails, `ManagedIdentityCredential` raises consistent
+  error messages and uses `raise from` to propagate inner exceptions
+  ([#19423](https://github.com/Azure/azure-sdk-for-python/pull/19423))
+
 ## 1.7.0b1 (2021-06-08)
 Beginning with this release, this library requires Python 2.7 or 3.6+.
 
@@ -26,7 +44,6 @@ Beginning with this release, this library requires Python 2.7 or 3.6+.
   configuration from VS Code user settings
   ([#14808](https://github.com/Azure/azure-sdk-for-python/issues/14808))
 
-
 ## 1.6.0 (2021-05-13)
 This is the last version to support Python 3.5. The next version will require
 Python 2.7 or 3.6+.