> ## 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 3.12.2 - Dec 4, 2025

> Improvements and Bug Fixes

## 🎄 Enhancements

* Enhance database and query permission checks.
* Improve selector performance with lazy loading for large workspaces.
* **SQL Server** - Add [visualized EXPLAIN support](/sql-editor/run-queries#explain-query) in SQL Editor.
* **Doris** - Improve syntax compatibility.

## 🐞 Bug Fixes

* Prevent DML statements from being incorrectly wrapped in CTEs in SQL Editor.
* Fix popup handling for database change statements in SQL Editor.
* Improve and isolate SQL Editor state management across browser tabs.
* Format Cassandra, Spanner, and ClickHouse result data instead of showing raw protobuf.

## ⚙️ 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.*