Changelog for beta.6 release for file/datalake (#1371)

# Pull Request Checklist

Please leverage this checklist as a reminder to address commonly occurring feedback when submitting a pull request to make sure your PR can be reviewed quickly:

See the detailed list in the [contributing guide](https://github.com/Azure/azure-sdk-for-cpp/blob/master/CONTRIBUTING.md#pull-requests).

- [x] [C++ Guidelines](https://azure.github.io/azure-sdk/cpp_introduction.html)
- [x] Doxygen docs
- [x] Unit tests
- [x] No unwanted commits/changes
- [x] Descriptive title/description
  - [x] PR is single purpose
  - [x] Related issue listed
- [x] Comments in source
- [x] No typos
- [x] Update changelog
- [x] Not work-in-progress
- [x] External references or docs updated
- [x] Self review of PR done
- [x] Any breaking changes?

Author: katmsft

sdk/storage/azure-storage-files-datalake/CHANGELOG.md

@@ -1,10 +1,11 @@
 # Release History
 
-## 12.0.0-beta.6 (Unreleased)
+## 12.0.0-beta.6 (2020-01-14)
 
 ### New Features
 
 - Support setting DataLake SAS permission with a raw string.
+- Added support for `CreateIfNotExists` and `DeleteIfExists` for FileSystem, Path, Directory and File clients.
 
 ### Breaking Changes
 
@@ -24,6 +25,10 @@
 - `ReadFileOptions` now have `Azure::Core::Http::Range Range` instead of `Content-Length` and `Offset`.
 - Replace scoped enums that don't support bitwise operations with extensible enum.
 - `ListPaths` is renamed to `ListPathsSinglePage` and its related return type and options are also renamed accordingly.
+- `FileSystemClient` is renamed to `DataLakeFileSystemClient`, `PathClient` is renamed to `DataLakePathClient`, `DirectoryClient` is renamed to `DataLakeDirectoryClient` and `FileClient` is renamed to `DataLakeFileClient`.
+- FileSystems, Path, Directory and File related result types and options types now have a `DataLake` prefix. E.g. `GetFileSystemPropertiesResult` is changed to `GetDataLakeFileSystemPropertiesResult`.
+- Renamed `GetSubDirectoryClient` to `GetSubdirectoryClient`.
+- Removed `NamespaceEnabled` field in `CreateDataLakeFileSystemResult`.
 
 ## 12.0.0-beta.5 (2020-11-13)
 

sdk/storage/azure-storage-files-shares/CHANGELOG.md

@@ -1,6 +1,11 @@
 # Release History
 
-## 12.0.0-beta.6 (Unreleased)
+## 12.0.0-beta.6 (2020-01-14)
+
+### New Features
+
+- Added support for `CreateIfNotExists` for Share and Directory clients, and `DeleteIfExists` for Share, Directory and File clients.
+- Support setting file SAS permission with a raw string.
 
 ### Breaking Changes
 
@@ -22,11 +27,9 @@
 - Replace scoped enums that don't support bitwise operations with extensible enum.
 - `IsServerEncrypted` member in `DownloadFileToResult`, `UploadFileFromResult`, `FileDownloadResult` and `FileGetPropertiesResult` are no longer nullable.
 - Create APIs for Directory and File now returns `FileShareSmbProperties` that aggregates SMB related properties.
-
-### New Features
-
-- Added support for `CreateIfNotExists` for Share and Directory clients, and `DeleteIfExists` for Share, Directory and File clients.
-- Support setting file SAS permission with a raw string.
+- `DirectoryClient` is renamed to `ShareDirectoryClient`, `FileClient` is renamed to `ShareFileClient`.
+- Directory and File related result types and options types now have a `Share` prefix. E.g. `SetDirectoryPropertiesResult` is changed to `SetShareDirectoryPropertiesResult`.
+- Renamed `GetSubDirectoryClient` to `GetSubdirectoryClient`.
 
 ## 12.0.0-beta.5 (2020-11-13)