naynayz, have you looked at my map updater?
I wrote it for the same sort of reason ie I had put a lot of time into making older maps of mine and I wanted to keep playing them. the MAJOR changes in the maps format from v2 to v3 during the entrenchment beta caused me to take a very close look at the map formats from 1.0,1.01,1.02,1.03,1.04,1.05,1.09,1.10,1.11,1.12,1.13,1.14,1.15 and the entrenchmenta .9,1.0,1.01. as a lazy programmer ie one that hates to do things more than twice I analyzed a particular map from each of the versions and created a list of changes in EACH section of the map structure and wrote a program to insert the changes in each section of the map and do all maps.
on a typical sins playing computer it will update all the maps that need updating within 2 minutes(usually about 30 seconds), and you can then use the updated maps with any computer running the sins 1.15+ & entrenchment
harpo