More detailed data reporting for GUI senders. 1.1f grbl for laser engraver - Arduino Forum
Once you have downloaded the .hex file, you need a utility to "push" it onto your Arduino. Method 1: Using XLoader (Windows) grbl 1.1 hex file download
Provides smoother power scaling for laser engraving. More detailed data reporting for GUI senders
Change feed rate, spindle speed, and coolant on the fly. grbl 1.1 hex file download
The current standard version is GRBL v1.1h (released August 25, 2019).
Pre-compiled files are built from stable, tested versions of the code.
If you are comfortable with the command line, avrdude is the standard tool included with the Arduino IDE.