Is Prusa Firmware (Buddy) v8.0.1 safe to update?

Probably yes. Bug fixes and minor features only, per the release notes. No breaking changes mentioned.

What users are reporting

1 public report(s) mention this version, none clearly describing breakage. Most-discussed: “[BUG] M201 and similar commands are rejected by XL5T if no tool is picked”. Sources: GitHub · checked 2026-11-04

• [BUG] M201 and similar commands are rejected by XL5T if no tool is picked (GitHub)

Reports are from public issue trackers and forums. Their count isn't a failure rate, and an empty list doesn't prove an update is safe.

⚠️ What breaks

Nothing in the release notes suggests breaking changes. This looks like a bug-fix or minor release. The usual precautions (backup, read notes) still apply.

Read the full official release notes →

✅ What to do first

1. Read the official release notes (linked in “What breaks”).
2. Back up config and data (snapshot the VM/volume if you can).
3. Note the version you are on now, so you can roll back.
4. Update, then check logs and core functions before walking away.

↩️ How to roll back to v8.0.0

Download the previous .bbf from Prusa’s firmware page and flash it from USB; save your printer settings first.