There is no Version 0.4.X

There is no Version 0.4.x, Just 0.5.xRC atm 


npm info grunt-contrib-less
{ name: 'grunt-contrib-less',
  description: 'Compile LESS files to CSS.',
  'dist-tags': { latest: '0.3.2', master: '0.5.0rc7' },
  versions: 
   [ '0.1.0',
     '0.2.0',
     '0.2.1',
     '0.2.2',
     '0.3.0',
     '0.3.1',
     '0.3.2',
     '0.5.0rc7' ],
  maintainers: 
   [ 'tkellen <tyler@sleekcode.net>',
     'cowboy <cowboy@rj3.net>' ],
  time: 
   { '0.1.0': '2012-09-07T20:41:29.283Z',
     '0.2.0': '2012-09-08T18:25:04.460Z',
     '0.2.1': '2012-09-10T22:23:03.358Z',
     '0.2.2': '2012-09-16T14:22:45.281Z',
     '0.3.0': '2012-09-24T04:58:47.647Z',
     '0.3.1': '2012-10-12T13:50:02.701Z',
     '0.3.2': '2012-10-18T19:03:18.109Z',
     '0.5.0rc7': '2013-01-23T17:19:41.990Z' },
.....