Marlin versions

a) How do I determine what versions of the firmware I have installed?

(I got my 2S dual working well nearly a year ago, but have only just returned to it)

b) is there a list of Marlin versions, and the changes included in each revision?

effectively I'd like to know if it's worth making the upgrade ( I have just installed the newer heater bed and Octopi)

May 5

I want to know this information too. All I know is that is the version 1.1.9 and STRING_DISTRIBUTION_DATE "2018-08-01" but this doesn't help a lot to determine the specific version or commit that the firmware from Makertech is.

I want to compare the Makertech version to the official version so I know all the changes made to marlin, but without a specific version or commit Im lost

Can you help with this

@Makertech

? or at least start publishing sources and updates since we haven't heard from you nor from your to do list in a year.