[BUG] M220 in gcode does not change feedrate

[evilDave]

Did you test with a precompiled firmware?

Yes, and the problem still exists.

Bug Description

I am printing the speed calibration from teaching tech: https://teachingtechyt.github.io/calibration.html#speed That calibration uses M220 to increase the feedrate during the test. I see the gcode commands in the gcode file, the speed should be going from 80 to 100, 120, 140, 160 but there are no speed increases during the print.

I can adjust the speed using the LCD panel, which I thought did much the same thing as M220...

Bug Timeline

No response

Expected behavior

M220 to change feedrate

Actual behavior

speed does not change

Steps to Reproduce

No response

Version of Professional Firmware

FIRMWARE_NAME:Marlin 2.1.3 MRiscoC Ender3V2Neo-422-BLTUBL-TJC-LA-MPC-Speaker, based on bugfix-2.1.x (Jun 12 2024 14:51:11)

Printer model

Ender 3 v2 neo

Electronics

No response

LCD/Controller

No response

Other add-ons

No response

Bed Leveling

UBL Bilinear mesh

Your Slicer

Other (explain below)

Host Software

OctoPrint

Additional information & file uploads

No response

[mriscoc]

There is not an official precompiled firmware with the name: Ender3V2Neo-422-BLTUBL-TJC-LA-MPC-Speaker in the release page.

[evilDave]

Right you are. It works okay with the release version Ender3V2-422-BLTUBL-MPC-20240125.bin and the one from the LA branch Ender3V2-422-BLTUBL-LA-MPC-20240127.bin so it must be something in my custom configured one... I just used the config tool though... i'll try a few more compiled firmware versions and see if i can narrow down the issue

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