The emulator release notes article lists all the available versions and the feature updates that were made in each release.
To get started, download and install the latest version of Azure Cosmos DB Emulator on your local computer. This article describes how to install and use the emulator on Windows, Linux, macOS, and Windows docker environments. When you're satisfied with how your application is working in the Azure Cosmos DB Emulator, you can switch to using an Azure Cosmos account in the cloud. Using the Azure Cosmos DB Emulator, you can develop and test your application locally, without creating an Azure subscription or incurring any costs. The Azure Cosmos DB Emulator provides a local environment that emulates the Azure Cosmos DB service for development purposes.
