The current version of HeidiSQL is 12.21 (as of 03/08/2026). patchletter checks the official source daily and emails you new releases.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 12.21 | STABLE | 03/08/2026 | Release notes → |
| 12.20 | STABLE | 22/06/2026 | Release notes → |
Frequently asked questions
- What is the latest version of HeidiSQL?
- HeidiSQL 12.21, released 03/08/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the HeidiSQL release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new HeidiSQL updates?
- Tick HeidiSQL off in the catalogue and leave your address. From then on new versions go out by email — one at a time, or bundled in the daily or weekly digest.
An email as soon as a new HeidiSQL version ships
We reconcile the vendor source daily. When a new version appears, it lands in your inbox right away or bundled as a digest. The update email is free and ends with one click. Alerts about vulnerabilities and end of support are part of patchletter Pro.
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[](https://patchletter.com/en/software/heidisql)https://patchletter.com/badge/heidisql.svgAlso available: ?v=eol (end of support) and ?v=cve (actively exploited).
