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NuGet · #1599 most downloaded on NuGet

Azure.Storage.Files.DataLake

12.28.024M downloads/moAzure/azure-sdk-for-net ↗New releases in your daily digest, changelog included.

This client library enables working with the Microsoft Azure Storage Data Lake File service for storing binary and text data. For this release see notes - https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/storage/Azure.Storage.Files.DataLake/README.md and https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/storage/Azure.Storage.Files.DataLake/CHANGELOG.md in addition to the breaking changes https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/storage/Azure.Storage.Files.DataLake/BreakingChanges.txt Microsoft Azure Storage quickstarts and tutorials - https://docs.microsoft.com/en-us/azure/storage/blobs/data-lake-storage-introduction Microsoft Azure Storage REST API Reference - https://docs.microsoft.com/en-us/rest/api/storageservices/ REST API Reference for Data Lake - https://docs.microsoft.com/en-us/rest/api/storageservices/datalakestoragegen2/filesystem

Last release 7 days ago
30 Sep 2026
Ships fairly regularly
a new release about every 3 months
Nearly every release is documented
notes for 39 of 39 stable releases
1 version withdrawn
withdrawn after publishing
127 years old
40 releases · first in 1900

Release timeline

40 releases since 1900

Releases

12.28.030 Sept 20262 sources agree
Includes all features from 12.28.0-beta.1
12.28.0 (2026-09-28)

Features Added

Includes all features from 12.28.0-beta.1
Open source →
12.27.124 Jun 2026
Code | Docs Support: Active
Code | Docs

Support: Active

Open source →
Additional notes2 sources agree
Bugs Fixed

Fixed an issue where the GenerateSasUri and GenerateUserDelegationSasUri convenience methods on Data Lake clients did not honor the RequestHeaders and RequestQueryParameters properties, and where GenerateUserDelegationSasUri did not honor DelegatedUserObjectId, set on the supplied DataLakeSasBuilder.

From the same repository

Azure/azure-sdk-for-net

Azure.CoreNuGetThis is the implementation of the Azure Client Pipeline
Azure.IdentityNuGetProvides APIs for authenticating to Microsoft Entra ID
System.ClientModelNuGetContains building blocks for clients that call cloud services.
Azure.Storage.BlobsNuGetThis client library enables working with the Microsoft Azure Storage Blob service for storing binary and text data. For this release see notes - https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/storage/Azure.Storage.Blobs/README.md and https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/storage/Azure.Storage.Blobs/CHANGELOG.md in addition to the breaking changes https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/storage/Azure.Storage.Blobs/BreakingChanges.txt Microsoft Azure Storage quickstarts and tutorials - https://docs.microsoft.com/en-us/azure/storage/ Microsoft Azure Storage REST API Reference - https://docs.microsoft.com/en-us/rest/api/storageservices/ REST API Reference for Blob Service - https://docs.microsoft.com/en-us/rest/api/storageservices/blob-service-rest-api

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Open source →

▸▾12.27.04 Jun 20262 sources agree

Includes all features from 12.27.0-beta.1

Features Added

Includes all features from 12.27.0-beta.1

Open source →

▸▾12.26.013 May 2026

Code | Docs Support: Active

Code | Docs

Support: Active

Open source →

Additional notes2 sources agree

Features Added

Includes all features from 12.26.0-beta.1

Bugs Fixed

Fixed issue where the TokenRequestContext.Scopes contained a double slash (e.g. https://storage.azure.com//.default) when using TokenCredential authentication. (#58295)

Open source →

▸▾12.25.08 Jan 20262 sources agree

Includes all features from 12.25.0-beta.1

Features Added

Includes all features from 12.25.0-beta.1

Open source →

▸▾12.24.013 Oct 20252 sources agree

Includes all features from 12.24.0-beta.1

Features Added

Includes all features from 12.24.0-beta.1

Open source →

▸▾12.23.015 Jul 20252 sources agree

Includes all features from 12.23.0-beta.1

Features Added

Includes all features from 12.23.0-beta.1

Open source →

▸▾12.22.012 Mar 20252 sources agree

Includes all features from 12.22.0-beta.1

Features Added

Includes all features from 12.22.0-beta.1
Added the following Client Builders: AddDataLakeServiceClient(Uri, Azure.SasCredential), AddDataLakeServiceClient(Uri, TokenCredential)

Bugs Fixed

Fixed bug where a DataLakeServiceClient, DataLakeFileSystemClient, DataLakeDirectoryClient, DataLakeFileClient, DataLakePathClient created with a connection string with an account name specified (e.g. "AccountName=..;"), the account name was not populated on the Storage Clients if the account name was not also specified in the endpoint. (#42925)
Fixed bug where a DataLakeServiceClient, DataLakeFileSystemClient, DataLakeDirectoryClient, DataLakeFileClient, DataLakePathClient created with a StorageSharedKeyCredential, the account name was not populated on the Storage Clients if the account name was not also specified in the endpoint. (#42925)

Open source →

▸▾12.21.012 Nov 20242 sources agree

Includes all features from 12.21.0-beta.1 and 12.21.0-beta.2.

Features Added

Includes all features from 12.21.0-beta.1 and 12.21.0-beta.2.

Open source →

▸▾12.20.111 Oct 2024Security2 sources agree

Upgraded System.Text.Json package dependency to 6.0.10 for security fix.

Other Changes

Upgraded System.Text.Json package dependency to 6.0.10 for security fix.

Open source →

▸▾12.20.019 Sept 20242 sources agree

Includes all features from 12.20.0-beta.1.

Features Added

Includes all features from 12.20.0-beta.1.

Bugs Fixed

Fixed [BUG] Method overload DataLakeFileClient.OpenReadAsync()/OpenRead() to correctly handle the allowBlobModifications flag #45516

Open source →

▸▾12.19.125 Jul 20242 sources agree

Fixed \[BUG\] Azure Blob Storage Client SDK No Longer Supports Globalization Invariant Mode for Account Key Authentication #45052

Bugs Fixed

Fixed [BUG] Azure Blob Storage Client SDK No Longer Supports Globalization Invariant Mode for Account Key Authentication #45052

Open source →

▸▾12.19.016 Jul 20242 sources agree

Includes all features from 12.19.0-beta.1.

Features Added

Includes all features from 12.19.0-beta.1.

Bugs Fixed

Fixed bug where storage clients when constructed with URLs with '#' character would truncate the path at the '#'.

Open source →

▸▾12.18.014 May 20242 sources agree

Includes all features from 12.18.0-beta.1 and 12.18.0-beta.2.

Includes all features from 12.18.0-beta.1 and 12.18.0-beta.2.
Fixed bug where DataLakeFileSystemClient and DatalakeFileClient did not throw an exception on empty/null filesystem names and file names, respectively, when constructing a client.

Open source →

▸▾12.17.114 Nov 20232 sources agree

Distributed tracing with ActivitySource is stable and no longer requires the Experimental feature-flag.

Distributed tracing with ActivitySource is stable and no longer requires the Experimental feature-flag.

Open source →

▸▾12.17.06 Nov 20232 sources agree

Includes all features from 12.17.0-beta.1.

Includes all features from 12.17.0-beta.1.

Open source →

▸▾12.16.012 Sept 20232 sources agree

Includes all features from 12.16.0-beta.1.

Includes all features from 12.16.0-beta.1.

Open source →

▸▾12.15.011 Jul 20232 sources agree

Includes all features from 12.15.0-beta.1.

Includes all features from 12.15.0-beta.1.
Fixed bug where DatalakePathClient.Rename was using the filesystem name parameter for the destination path and vice versa.

Open source →

▸▾12.14.011 Apr 20232 sources agree

Includes all features from 12.14.0-beta.1.

Includes all features from 12.14.0-beta.1.

Open source →

▸▾12.13.124 Mar 20232 sources agree

Bumped Azure.Core dependency from 1.28 and 1.30, fixing issue with headers being non-resilient to double dispose of the request.

Bumped Azure.Core dependency from 1.28 and 1.30, fixing issue with headers being non-resilient to double dispose of the request.

Open source →

▸▾12.13.022 Feb 20232 sources agree

Includes all features from 12.13.0-beta.1.

Includes all features from 12.13.0-beta.1.
Added FileDownloadDetails.CreatedOn property.

Open source →

▸▾12.12.113 Oct 20222 sources agree

Fixed bug where DataLakeQueryCsvTextOptions was not properly sending the RecordSeparator when calling DataLakeFileClient.Query()

Fixed bug where DataLakeQueryCsvTextOptions was not properly sending the RecordSeparator when calling DataLakeFileClient.Query()

Open source →

▸▾12.12.012 Oct 20222 sources agree

Includes all features from 12.12.0-beta.1.

Includes all features from 12.12.0-beta.1.

Open source →

▸▾12.11.08 Jul 2022

Code | Docs Text Analytics Azure.AI.TextAnalytics

Code | Docs

Text Analytics

Azure.AI.TextAnalytics

Open source →

Additional notes2 sources agree

Includes all features from 12.11.0-beta.1.
Fixed bug where DataLakePathClient.Rename() was not passing the AzureSasCredential to the source.

Open source →

▸▾12.10.02 May 20222 sources agree

Includes all features from 12.10.0-beta.1.

Includes all features from 12.10.0-beta.1.

Open source →

▸▾12.9.010 Mar 20222 sources agree

Includes all features from 12.9.0-beta.1, 12.9.0-beta.2, and 12.9.0-beta.3 except SDK-calculated transactional checksums on data transfer.

Includes all features from 12.9.0-beta.1, 12.9.0-beta.2, and 12.9.0-beta.3 except SDK-calculated transactional checksums on data transfer.
Removed preview support for SDK-calculated transactional checksums on data transfer.

Open source →

▸▾12.8.09 Sept 20212 sources agree

Includes all features from 12.8.0-beta.1 and 12.8.0-beta.2.

Includes all features from 12.8.0-beta.1 and 12.8.0-beta.2.

Open source →

▸▾12.7.09 Jun 20212 sources agree

Includes all features from 12.7.0-beta.4

Includes all features from 12.7.0-beta.4
Fixed bug where DataLakeFileClient.Read could corrupt data on retry.
Fixed bug where specifying "*" as IfMatch condition could lead to inconsistend read in DataLakeFileClient.ReadTo.
Fixed bug where specifying conditions in DataLakeFileClient.OpenRead could override allowModifications flag in DataLakeOpenReadOptions leading to inconsistent read.
TenantId can now be discovered through the service challenge response, when using a TokenCredential for authorization.
- A new property is now available on the ClientOptions called EnableTenantDiscovery. If set to true, the client will attempt an initial unauthorized request to the service to prompt a challenge containing the tenantId hint.

Open source →

▸▾12.6.221 May 20212 sources agree

This release contains bug fixes to improve quality.

This release contains bug fixes to improve quality.

Open source →

▸▾12.6.129 Mar 20212 sources agree

Fixed bug where ClientDiagnostics's DiagnosticListener was leaking resources.

Fixed bug where ClientDiagnostics's DiagnosticListener was leaking resources.

Open source →

▸▾12.6.012 Jan 20212 sources agree

Includes all features from 12.6.0-beta.1

Includes all features from 12.6.0-beta.1
Fixed bug where the Stream returned by DataLakeFileClient.OpenRead() would return a different Length after calls to Seek().
Added constructors taking connection string to DataLakeServiceClient, DataLakeFileSystemClient, DataLakeDirectoryClient, and DataLakeFileClient.
Fixed bug where DataLakePathClient.SetPermissions(), DataLakeFileClient.SetPermissions(), and DataLakeDirectoryClient.SetPermissions() could not just set Owner or Group.
Fixed bug where DataLakeDirectoryClient initialized with a Uri would throw a null exception when GetPaths() was called.
Added support for AzureSasCredential. That allows SAS rotation for long living clients.

Open source →

▸▾12.5.010 Nov 20202 sources agree

Includes all features from 12.5.0-preview.1

Includes all features from 12.5.0-preview.1
Fixed bug where DataLakeFileSystem.SetAccessPolicy() would throw an exception if signed identifier permissions were not in the correct order.
Added additional info to exception messages.
Added DataLakeDirectoryClient.GetPaths().
Fixed bug where Data Lake SDK coudn't handle SASs with start and expiry time in format other than yyyy-MM-ddTHH:mm:ssZ.
Added ability to set Position on streams created with DataLakeFileClient.OpenRead().
Added CanGenerateSasUri property and GenerateSasUri() to DataLakePathClient, DataLakeFileClient, DataLakeDirectoryClient and DataLakeFileSystemClient.
Added CanGenerateAccountSasUri property and GenerateAccountSasUri() to DataLakeServiceClient.
Restored single upload threshold for parallel uploads from 5 TB to 256 MB.

Open source →

▸▾12.4.031 Aug 20202 sources agree

Fixed bug where DataLakeFileClient.Upload() would deadlock if the content stream's position was not 0.

Fixed bug where DataLakeFileClient.Upload() would deadlock if the content stream's position was not 0.
Fixed bug in DataLakeFileClient.OpenRead() causing us to do more download called than necessary.

Open source →

▸▾12.3.118 Aug 20202 sources agree

Fixed bug in TaskExtensions.EnsureCompleted method that causes it to unconditionally throw an exception in the environments with synchronization conte

Fixed bug in TaskExtensions.EnsureCompleted method that causes it to unconditionally throw an exception in the environments with synchronization context

Open source →

▸▾12.3.01 Jan 1900withdrawn2 sources agree

Includes all features from 12.3.0-preview.1 through 12.3.0-preview.2.

Includes all features from 12.3.0-preview.1 through 12.3.0-preview.2.
Fixed bug where DataLakeFileSystemClient.SetAccessPolicy() sends DateTimeOffset.MinValue when StartsOn and ExpiresOn when not set in DataLakeAccessPolicy
Added nullable properties, PolicyStartsOn and PolicyExpiresOn to DataLakeAccessPolicy
Added DataLakeFileClient.OpenWrite().

Open source →

Additional notes

Code | Docs

Data Movement - Blobs

Azure.Storage.DataMovement.Blobs

Open source →

▸▾12.2.25 Jun 20202 sources agree

This release contains bug fixes to improve quality.

This release contains bug fixes to improve quality.

Open source →

▸▾12.2.12 Jun 20202 sources agree

Fixed bug where download could hang indefinietly on .NET Framework

Fixed bug where download could hang indefinietly on .NET Framework

Open source →

▸▾12.2.06 May 20202 sources agree

Added DataLakeFileClient.Upload() overload that allows setting metadata, permissions and umask.

Added DataLakeFileClient.Upload() overload that allows setting metadata, permissions and umask.
Fixed bug where PathClient.Rename() was not functioning correctly with SAS.
Added DataLakeFileSystemClient.GetPathClient().
Fixed bug where data lake errors weren't parsed correctly.

Open source →

▸▾12.1.06 Apr 20202 sources agree

Fixed bug where DataLakeFileSystemClient.DeleteIfExistsAsync() would throw an exception if the underlying File System did not exist.

Fixed bug where DataLakeFileSystemClient.DeleteIfExistsAsync() would throw an exception if the underlying File System did not exist.
Added PathProperties.IsDirectory
Fixed bug where DataLakeFileClient.Read() would throw an exception when download an empty File.

Open source →

▸▾12.0.012 Mar 2020

Code | Docs Support: Active

Code | Docs

Support: Active

Open source →

Additional notes2 sources agree

Added DataLakeFileClient.Upload(), which creates a file, appends data to it, and flushes the file in one user-facing API call.
Added Exists(), CreateIfNotExists(), and DeleteIfExists() to DataLakeFileSystemClient, DataLakePathClient, DataLakeDirectoryClient, and DataLakeFileClient.
Made PathClient.Create() and .CreateAsync() public.
Removed DataLakeFileClient.GetRootDirectory().

Open source →

Your coding agent can read these notes before it upgrades. Set up the MCP server →

Azure.Security.KeyVault.SecretsNuGetThis is the Microsoft Azure Key Vault Secrets client library

Azure.Storage.CommonNuGetThis client library enables working with the Microsoft Azure Storage services which include the blob and file services for storing binary and text data, and the queue service for storing messages that may be accessed by a client. For this release see notes - https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/storage/Azure.Storage.Common/README.md and https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/storage/Azure.Storage.Common/CHANGELOG.md in addition to the breaking changes https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/storage/Azure.Storage.Common/BreakingChanges.txt Microsoft Azure Storage quickstarts and tutorials - https://docs.microsoft.com/en-us/azure/storage/ Microsoft Azure Storage REST API Reference - https://docs.microsoft.com/en-us/rest/api/storageservices/

Azure.Messaging.ServiceBusNuGetAzure Service Bus is a fully managed enterprise integration message broker. Service Bus can decouple applications and services. Service Bus offers a reliable and secure platform for asynchronous transfer of data and state. This client library allows for both sending and receiving messages using Azure Service Bus. For more information about Service Bus, see https://learn.microsoft.com/azure/service-bus-messaging/service-bus-messaging-overview

Azure.Storage.QueuesNuGetThis client library enables working with the Microsoft Azure Storage Queue service for storing messages that may be accessed by a client. For this release see notes - https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/storage/Azure.Storage.Queues/README.md and https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/storage/Azure.Storage.Queues/CHANGELOG.md in addition to the breaking changes https://github.com/Azure/azure-sdk-for-net/blob/main/sdk/storage/Azure.Storage.Queues/BreakingChanges.txt Microsoft Azure Storage quickstarts and tutorials - https://docs.microsoft.com/en-us/azure/storage/ Microsoft Azure Storage REST API Reference - https://docs.microsoft.com/en-us/rest/api/storageservices/ REST API Reference for Queue Service - https://docs.microsoft.com/en-us/rest/api/storageservices/queue-service-rest-api