> ## 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 2.13.1 - Jan 11, 2024

> Support backing up data before DML is performed for MySQL.

## 🚀 New Features

* Support backing up data before DML is performed for MySQL.
* Support instance maximum connections, allowing control over the number of concurrent tasks per instance.
* Support compression and encryption for exported data.

## 🔔 Notable Changes

* Changes in Bytebase API: Renamed predefined roles. Update your code if you are utilizing these roles:
  * Workspace level: OWNER->workspaceAdmin, DBA->workspaceDBA, DEVELOPER->workspaceMember
  * Project level: OWNER->projectOwner, DEVELOPER->projectDeveloper, QUERIER->projectQuerier, EXPORTER->projectExporter, VIEWER->projectViewer, RELEASER->projectReleaser

## 🎄 Enhancements

* Support editing indexes in Schema Editor.
* In SQL Editor, group sheets by project and database.
* Support choosing custom project roles in environment rollout policy.

## 📰 Fresh Off the Press

* Dive into how Bytebase is revolutionizing the way developers, DBAs, and platform engineers work by [replacing a multitude of traditional database tools](https://www.bytebase.com/blog/all-database-tools-bytebase-replaces/). Say goodbye to juggling multiple tools and hello to streamlined efficiency. Read now to transform your database management strategy! 🍭

## ⚙️ 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.*