libzip: NEWS

2017-02-19: Released libzip 1.2.0

  • Support for AES encryption (Winzip version), both encryption and decryption.

  • Support legacy zip files with >64k entries.

  • Fix seeking in zip_source_file if start > 0.

  • Add zip_fseek() for seeking in uncompressed data.

  • Add zip_ftell() for telling position in uncompressed data.

  • Add zip_register_progress_callback() for UI updates during zip_close()

2016-05-28: Released libzip 1.1.3

  • Fix build on Windows when using autoconf.

2016-02-19: Released libzip 1.1.2

  • Improve support for 3MF files

2016-02-07: Released libzip 1.1.1

  • Build fixes for Linux

  • Fix some warnings reported by PVS-Studio

2016-01-28: Released libzip 1.1

  • ziptool(1): command line tool to modify zip archives

  • Speedups for archives with many entries

  • Coverity fixes

  • Better APK support

  • Support for running tests on Windows

  • More build fixes for Windows

  • Portability fixes

  • Documentation improvements

2015-05-04: Released libzip 1.0.1

  • Build fixes for Windows.

2015-05-03: Released libzip 1.0

  • Implemented an I/O abstraction layer.

  • Added support for native Windows API for files.

  • Added support for setting the last modification time for a file.

  • Added a new type zip_error_t for errors.

  • Added more typedefs for structs.

  • Torrentzip support was removed.

  • CVE-2015-2331 was fixed.

  • Addressed all Coverity CIDs.

2013-12-19: Released libzip 0.11.2

  • Support querying/setting operating system and external attributes.

  • For newly added files, set operating system to UNIX, permissions to 0666 (0777 for directories).

  • Fix bug when writing zip archives containing files bigger than 4GB.

2013-04-27: Released libzip 0.11.1

  • Fix bugs in zip_set_file_compression().

  • Include Xcode build infrastructure.

2013-03-23: Released libzip 0.11

  • Added Zip64 support (large file support)

  • Added UTF-8 support for file names, file comments, and archive comments

  • Changed API for name and comment related functions for UTF-8 support

  • Added zip_discard()

  • Added ZIP_TRUNCATE for zip_open()

  • Added zip_set_file_compression()

  • Added API for accessing and modifying extra fields

  • Improved API type consistency

  • Use gcc4's visibility __attribute__

  • More changes for Windows support

  • Additional test cases

2012-03-20: Released libzip 0.10.1

  • Fixed CVE-2012-1162

  • Fixed CVE-2012-1163

2011-03-18: Released libzip 0.10

  • Added zip_get_num_entries(), deprecated zip_get_num_files().

  • Better windows support.

  • Support for traditional PKWARE encryption added.

  • Fix opening archives with more than 65535 entries.

  • Fix some memory leaks.

  • Fix cmake build and installation

  • Fix memory leak in error case in zip_open()

  • Fixed CVE-2011-0421 (no security implications though)

  • More documentation.

2010-02-01: Released libzip 0.9.3

  • Include m4/ directory in distribution; some packagers need it.

2010-01-31: Released libzip 0.9.2

  • Avoid passing uninitialized data to deflate().

  • Fix memory leak when closing zip archives.

2010-01-24: Released libzip 0.9.1

  • Fix infinite loop on reading some broken files.

  • Optimization in time conversion (don't call localtime()).

  • Clear data descriptor flag in central directory, fixing Open Office files.

  • Allow more than 64k entries.

2009-04-01: Mailing list of commit messages.

Commits to the libzip repository are now also available via a mailing list. To subscribe, send a mail with the subject subscribe libzip-changes to minimalist at

2008-08-18: Major webpage overhaul.

The web page has been improved and new features have been added:

The repository browser is now integrated into the website; mailing list archives have been added; and news, release announcements. and commits are available as RSS feeds.

2008-07-25: Released libzip 0.9

  • on Windows, explictly set dllimport/dllexport

  • remove erroneous references to GPL

  • add support for torrentzip

  • new functions: zip_get_archive_flag, zip_set_archive_flag

  • zip_source_zip: add flag to force recompression

  • zip_sorce_file: only keep file open while reading from it

2007-11-08: New libzip mailing list.

There is now a discussion mailing list for developers using libzip. You can subscribe to it by sending a mail with the subject subscribe libzip-discuss to minimalist at

2007-06-06: Released libzip 0.8

  • fix for zip archives larger than 2GiB

  • fix zip_error_strerror to include libzip error string

  • add support for reading streamed zip files

  • new functions: zip_add_dir, zip_error_clear, zip_file_error_clear

  • add basic support for building with CMake (incomplete)

2007-05-16: Switched from CVS to Mercurial.

We switched from CVS to Mercurial, a distributed version control system. has been replaced by See Mercurial Access for how to access the repositories.

2006-05-18: Released libzip 0.7.1

  • bugfix for zip_close

2006-05-06: Released libzip 0.7

  • struct zip_stat increased for future encryption support

  • zip_add return value changed (now returns new index of added file)

  • shared library major bump because of previous two

  • added functions for reading and writing file and archive comments. New functions: zip_get_archive_comment, zip_get_file_comment, zip_set_archive_comment, zip_set_file_comment, zip_unchange_archive

2005-07-14: Released libzip 0.6.1

  • various bug fixes

2005-06-09: Released libzip 0.6

  • first standalone release

  • changed license to three-clause BSD

  • overhauled API

  • added man pages

  • install zipcmp and zipmerge