Just got the update to version 1.0.377 on our little mill here, and now the "Home all Axis" button is still greyed out and not working. Can you please shed some light onto this?
Grbl Settings backup to see if it is replicatable? (CONTROL > GRBL SETTINGS TAB > Backup Settings button)
Interesting that the GRBL SETTINGS TAB wasn't even displayed. So, I shut down the control and restarted it from scratch and the tab AND the HOME ALL button both are present and working. Dunno' what happened, but we are back in business.
As a precautionary measure in the future following an update (I always do it for me), you must always turn off your blackbox, reboot control and relaunch everything. I have never had any problems following this procedure (even if it seems unnecessary). Another important thing, when your system is correct, don't forget to regularly make a backup of your settings and keep your own change log up to date (.TXT or other format) of the changes you make on the system. [Edit] For more security, with the free Software Notepad++ you can at any time compare different configuration files with the very useful comparison function, therefore you can detect all the changes made between the files in time.