Change8

Migrating to Drizzle ORM v1.0.0-rc.3

Version v1.0.0-rc.3 introduces 1 breaking change. This guide details how to update your code.

Released: 5/18/2026

1
Breaking Changes
1
Migration Steps
4
Affected Symbols

⚠️ Check Your Code

If you use any of these symbols, you need to read this guide:

mysql dialect._queryMySQL sessionsMySQL proxy driver

Breaking Changes

Issue #1

Removed RQBv1 from `mysql` dialect (`._query`). Users relying on RQBv1 for MySQL queries must adapt to RQBv2 or standard query methods.

Migration Steps

  1. 1
    If using RQBv1 for MySQL queries via `._query`, update code to use RQBv2 or standard query methods.

Release Summary

This release ports PostgreSQL changes to the MySQL dialect, including RQBv1 removal, internal session refactoring, and enabling optimized mappers. It also fixes issues with MySQL proxy driver response handling.

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View the full release notes and all changes for Drizzle ORM v1.0.0-rc.3.

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