> ## Documentation Index
> Fetch the complete documentation index at: https://docs.bytebase.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Bytebase 2.1.0 - May 25, 2023

> Data Query and Data Export approval flow; SQL Review for Oracle; SSH tunneling for PostgreSQL and Redis.

## 🚀 New Features

* Support [**Data Query**](/security/database-permission/grant) and [**Data Export**](/security/database-permission/export/) approval flow.
* Support SSH tunneling for PostgreSQL and Redis.
* Support [SQL Review for Oracle](/sql-review/review-rules/).

## 🎄 Enhancements

* Added: completed issues are automatically resolved.
* Support batch transfer databases out of a project.
* Support configuring Webhook URL for GitOps workflow.

## 📰 Fresh off the press

* How do you handle your database migrations? Learn more about [schema migration best practices](https://www.bytebase.com/blog/how-to-handle-database-schema-change/).

## ⚙️ Install and Upgrade

* [Fresh install](/get-started/self-host/deploy-with-docker)

* [Upgrade](/get-started/self-host/upgrade)

*Before upgrading: 1) Back up the [metadata](https://www.bytebase.com/docs/administration/back-up-restore-metadata/) — in-place downgrade is not supported. 2) Do not run multiple containers on the same data directory. 3) Terraform users: upgrade Bytebase server first, then apply the new Terraform config.*