Devices / Makers & open firmware / Prusa Slicer software

Prusa Slicer software releases

critical fix

Prusa Slicer software is tracked under makers & open firmware. Its latest version, 2.9.7, shipped on Nov 2, 2026. Firmwarely has recorded 2 versions since Jun 25, 2026.

Latest version
2.9.7
Released
Category
Makers & open firmware
Last checked

How to update Prusa Slicer software

Open update page ↗
  1. Download the firmware for your exact printer from help.prusa3d.com/downloads.
  2. Copy the .bbf (MK4, XL, Core One) to a USB drive, insert it, and confirm on the printer.
  3. Or use PrusaSlicer's firmware updater over USB for older MINI and MK3 boards.

Always install releases from the project itself. Firmwarely links out; it never hosts downloads.

What changed

This is final release of PrusaSlicer 2.9.7. This is a small maintenance release fixing several security vulnerabilities. Changes with respect to 2.9.6.: Fixed an out-of-bounds write when loading a 3MF with a negative bed index. Fixed a stack buffer overflow in the digits() / zdigits() placeholder f…

Release notes ↗

Version history

2.9.7
2.9.6

FAQ

What is the latest version of Prusa Slicer software?

Version 2.9.7, released Nov 2, 2026. This page is refreshed every hour from the project's release page.

How do I update Prusa Slicer software?

See the step-by-step above. Pull the new image or package and restart the service. Read the release notes and back up the data directory first; most projects can't downgrade once the database has migrated.

How does Firmwarely know when there's a new version?

Every hour we read the project's official release page for Prusa Slicer software and record the version, date and changelog. Subscribers watching it get an email when it changes: the next morning on Pro, in the Monday roundup on the free plan.

Is this an official Prusa page?

No. Firmwarely is independent. Project and product names belong to their owners; always install releases from the project's own source.

Get alerts for Prusa Slicer software

One email when a new release or a security fix ships: weekly and free for up to 3 devices, daily on Pro.