SUMO version numbers and their meaning#

SUMO has version numbers in many places, namely

the release version (visible in releases when calling sumo -V or in the about dialog of the GUI applications), something like 1.6.0
the developer version (visible in the same places for a nightly build or a self compiled developer version), something like v1_6_0+1520-cb474809f6
the network version (visible in the beginning of every .net.xml as `