Update your Azure Cosmos DB .NET SDKs by 31 August 2022

We are extending the retirement announcement of 1.x Azure Cosmos DB .NET SDK and the .NET Core SDK for SQL API from 31 August 2020 to 31 August 2022. **How does this affect me?** After 31 August 2022, Azure Cosmos DB _will no longer make bug fixes, add new features and provide support to_ versions 1.x of the Azure Cosmos DB .NET or .NET Core SDK for SQL API. If you _prefer not to upgrade_, requests sent from version 1.x of the SDK will continue to be served by the Azure Cosmos DB service. **What actions should I take?** * **Option 1:** Update to version 2.x of the Azure Cosmos DB [.NET SDK ](https://docs.microsoft.com/en-us/azure/cosmos-db/sql-api-sdk-dotnet)or the [.NET Core SDK](https://docs.microsoft.com/azure/cosmos-db/sql-api-sdk-dotnet-core), which requires minimal code change * **Option 2**: Update to version 3.x of the Azure Cosmos DB [.NET SDK](https://docs.microsoft.com/azure/cosmos-db/sql-api-sdk-dotnet-standard), which targets .NET Standard. If you have a support plan and require technical support, please [contact us](https://portal.azure.com/#blade/Microsoft%5FAzure%5FSupport/HelpAndSupportBlade/overview). * Azure Cosmos DB * Retirements * [ Azure Cosmos DB](https://azure.microsoft.com/en-gb/products/cosmos-db/)