[Development] Enginio version and branch names

[Stephen Kelly]

Frederik Gladhorn wrote:

> As you know we cannot change the major version as that is not binary
> compatible

I still see no reason for that to be belived to be true. 

Of course you can fix the major version number and bump the version in the 
SONAME. That's the whole point of the version in the SONAME.

The whole point of different version cadences for Qt modules is to allow 
things like that.

Thanks,

Steve.