New features and enhancement in release 6:
  1. PCRE (Perl Compatible Regular Expressions) is supported.
  2. Add Document Map feature (via Menu View->Document Map).
  3. Enhance the loading performance for the large file.
Included plugins (Unicode)
  1. Spell Checker v1.3.3
  2. NppFTP 0.24.1
  3. NppExport v0.2.8
  4. Plugin Manager 1.0.8
  5. Converter 3.0
Release Date: 2012-03-26

http://notepad-plus-plus.org/download/v6.0.html