[M200 / M300] Marlin 2.1.x firmware release

I have the same problem.

Hi,
Never posted here before. I have a M300 with V04 hardware but the Marlin download only has V05? does that mean the V04 hardware M300 isnt supported with marlin?

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Can everybody tell me what slicer your using and printer profile ?

thankyou

I tried downloading marlin on my m300 but it downgraded from my original firmware instead of upgrading to marlin, what can I do to actually get marlin working?

I think that might be the case, marlin didn’t work on my m300 either.