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15 History

The complete history of user visible changes is stored in the file NEWS in the top-level directory of the source code tree. The complete history of modifications to each file is stored in the file ChangeLog in the same directory. This section contain a condensed version of that information, in the form of “milestones” for the project.

Stringprep implementation.
Version 0.0.0 released on 2002-11-05.
IDNA and Punycode implementations, part of the GNU project.
Version 0.1.0 released on 2003-01-05.
Uses official IDNA ACE prefix xn--.
Version 0.1.7 released on 2003-02-12.
Command line interface.
Version 0.1.11 released on 2003-02-26.
GNU Libc add-on proposed.
Version 0.1.12 released on 2003-03-06.
Interoperability testing during IDNConnect.
Version 0.3.1 released on 2003-10-02.
TLD restriction testing.
Version 0.4.0 released on 2004-02-28.
GNU Libc add-on integrated.
Version 0.4.1 released on 2004-03-08.
Native Java implementation.
Version 0.4.2-0.4.9 released between 2004-03-20 and 2004-06-11.
PR-29 functions for “problem sequences”.
Version 0.5.0 released on 2004-06-26.
Many small portability fixes and wider use.
Version 0.5.1 through 0.5.20, released between 2004-07-09 and 2005-10-23.
Native C# implementation.
Version 0.6.0 released on 2005-12-03.
Windows support through cross-compilation.
Version 0.6.1 released on 2006-01-20.
Library declared stable by releasing v1.0.
Version 1.0 released on 2007-07-31.