The versions numbers talk about the changes happening and compatibility. There's just a few new features in the 7.3 [1]: Persistent undo, More encryption, Conc

The versions numbers talk about the changes happening and compatibility. There's just a few new features in the 7.3 [1]: Persistent undo, More encryption, Conceal text, Lua interface, Python3 interface. [1] http://vimdoc.sourceforge.net/htmldoc/version7.html http://vimdoc.sourceforge.net/htmldoc/version7.html