Patch changelog (#18188)

* Patch changelog

* updated swagger date

Author: tasherif-msft

sdk/storage/azure-storage-blob/CHANGELOG.md

@@ -1,13 +1,17 @@
 # Release History
 
 ## 12.8.1 (2021-04-20)
+**New Features**
+- Added support for `BlobClient -> ContainerClient -> BlobServiceClient` Traversal
+
 **Fixes**
 - Fixed retry on large block upload 
 - Make `AccountName`, `AccountKey` etc. in conn_str case insensitive
 - Fixed downloader.chunks() return chunks in different size (#9419, #15648)
-- Enabled exists() for CPK encrypted blobs (#18041)
+- Enabled `exists()` for CPK encrypted blobs (#18041)
 - Fixed the ability to upload from a generator (#17418)
-- Fixed unclosed ThreadPoolExecutor (#8955)
+- Fixed unclosed `ThreadPoolExecutor` (#8955)
+- Fixed retries for blob download streams (#18164, #17974, #10572 (comment))
 - Added chunk streaming docstrings and samples (#17149, #11009)
 - Added retry for blob download (#17974, #10572)
 

sdk/storage/azure-storage-blob/swagger/README.md

@@ -16,7 +16,7 @@ autorest --v3 --python
 
 ### Settings
 ``` yaml
-input-file: https://github.com/raw/Azure/azure-rest-api-specs/storage-dataplane-preview/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-04-08/blob.json
+input-file: https://github.com/raw/Azure/azure-rest-api-specs/storage-dataplane-preview/specification/storage/data-plane/Microsoft.BlobStorage/preview/2020-06-12/blob.json
 output-folder: ../azure/storage/blob/_generated
 namespace: azure.storage.blob
 no-namespace-folders: true

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

@@ -2,14 +2,14 @@
 
 ## 12.3.1 (2021-04-20)
 **Fixes**
-- Fixed recursive=True on file deletion
+- Fixed `recursive=True` on file deletion
 - Make `AccountName`, `AccountKey` etc. in conn_str case insensitive
-- Fixed downloader.chunks() return chunks in different size (#9419, #15648)
+- Fixed `downloader.chunks()` return chunks in different size (#9419, #15648)
 - Optimized memory usage for datalake file uploads large chunks (#16890)
-- Fixed unclosed ThreadPoolExecutor (#8955)
+- Fixed unclosed `ThreadPoolExecutor` (#8955)
 
 **New Features**
-- Added get_account_information API
+- Added `get_account_information()` API
 
 
 ## 12.3.0 (2021-03-01)

sdk/storage/azure-storage-file-share/CHANGELOG.md

@@ -3,8 +3,8 @@
 ## 12.4.2 (2021-04-20)
 **Fixes**
 - Make `AccountName`, `AccountKey` etc. in conn_str case insensitive
-- Fixed downloader.chunks() return chunks in different size (#9419, #15648)
-- Fixed unclosed ThreadPoolExecutor (#8955)
+- Fixed `downloader.chunks()` return chunks in different size (#9419, #15648)
+- Fixed unclosed `ThreadPoolExecutor` (#8955)
 
 
 ## 12.4.1 (2021-01-20)

sdk/storage/azure-storage-queue/CHANGELOG.md

@@ -3,7 +3,7 @@
 ## 12.1.6 (2021-04-20)
 **Fixes**
 - Make `AccountName`, `AccountKey` etc. in conn_str case insensitive
-- Fixed unclosed ThreadPoolExecutor (#8955)
+- Fixed unclosed `ThreadPoolExecutor` (#8955)
 
 ## 12.1.5 (2021-01-13)
 **New features**