• Same as 1.6943. Some of the major changes between 1.61 are:
  
• Add --uninstall/-U command
  
• Support installing recommends/suggests/develop dependencies
  
• Support features selection with --with-feature, --without-feature etc.
  
• Support passing arguments to configure, build, test and install with --configure-args etc.
  
• Add experimental --cpanfile option
  
• Add experimental --pp option
  
• Now much safer to run multiple instances of cpanm
  
• Improved local::lib support
  
• Improved MetaCPAN query
  
• Improved version extraction for install metadata (for Carton)
  
• Completely eliminated dependency on search.cpan.org