# Release Notes All notable changes to this project will be documented in this file. ## 0.21.0 - Apr 5, 2020 ### Featured - ABI version 2 supported. See specification at https://docs.ton.dev - Message expiration implemented. Check [usage guide](https://docs.ton.dev/86757ecb2/p/88321a-message-expiration-time) ### New - `get_deploy_data` function added ## 0.20.100 - Feb 17, 2020 ### New - `deploy` function now checks the account state before sending message and returns `alreadyDeployed = true` if account is already active. - Messages are sent to node via GraphQL requests, not REST API requests. ### Breaking Compatibility - `deploy` returns structure `ResultOfDeploy` with account address and `alreadyDeployed` flag instead of just address.