> ## 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 1.6.0 - Oct 13, 2022

> - Support read-only data source for read-replica instance. - SQL Editor query performance improvement. - Support drag-n-drop to sort the tab in SQL Editor and auto-restore the session. - Support displaying the currently connected environment in SQL Editor - Added a hint for the maximum return rows of the query result in SQL Editor.

## 🚀 Features

* Support read-only data source for read-replica instance.

## 🎄 Enhancements

* SQL Editor query performance improvement.
* Support drag-n-drop to sort the tab in SQL Editor and auto-restore the session.
* Support displaying the currently connected environment in SQL Editor.
* Added a hint for the maximum return rows of the query result in SQL Editor.

## 🐞 Notable bug fixes

* Fixed: SQL with a long line in the issue may fail the pre-check task.

## 🎠 Community

* Thanks to [@fatelei](https://github.com/fatelei) for [#2965 feat(sql-review): implement postgresql check the number of index columns](https://github.com/bytebase/bytebase/pull/2965)
* Thanks to [@zeroslope](https://github.com/zeroslope) for [#2929 feat(advisor): limit value list len in PostgreSQL INSERT statement](https://github.com/bytebase/bytebase/pull/2929)
* Thanks to [@praneetloke](https://github.com/praneetloke) for [#2898 chore: improve error message when DB connection fails](https://github.com/bytebase/bytebase/pull/2898)
* Thanks to [@Kikkon](https://github.com/Kikkon) for [#2874 feat(sql-review): limit PostgreSQL comment length](https://github.com/bytebase/bytebase/pull/2874)
* Thanks to [@hamidzr](https://github.com/hamidzr) for [#2857 docs: fix minor typos](https://github.com/bytebase/bytebase/pull/2857)

## ⚙️ 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.*