Informatique (logiciels)Pour rappel, 7-Zip est un utilitaire de compression Open Source dont les compressions surpassent notamment le ZIP ainsi que le RAR.
Les nouveautés de cette version sont nombreuses, car la méthode de compression de format 7-Zip a été remaniée pour être encore plus performante et plus rapide par rapport à la version 3.
Changelog de 7-Zip 4.20
Changes in 4.19:
- BZip2 code was rewritten. Now it supports 3 modes: Normal, Maximum and
Ultra. In Normal mode it compresses almost as original BZip2 compressor.
Compression ratio in Maximum and Ultra modes is 1-3% better for some files,
but Maximum Mode is about 3 times slower and Ultra Mode is about 8 times
slower than Normal mode.
- Console version now prints all messages to stdout by default,
and if -so switch is specified, 7-Zip prints messages to stderr.
- Some bugs were fixed
- New localizations: Azeri, Georgian
Changelog 4.18 Bêta
Changelog 4.17 Bêta
Changelog 4.16 Bêta
Changes in 4.19:
- BZip2 code was rewritten. Now it supports 3 modes: Normal, Maximum and
Ultra. In Normal mode it compresses almost as original BZip2 compressor.
Compression ratio in Maximum and Ultra modes is 1-3% better for some files,
but Maximum Mode is about 3 times slower and Ultra Mode is about 8 times
slower than Normal mode.
- Console version now prints all messages to stdout by default,
and if -so switch is specified, 7-Zip prints messages to stderr.
- Some bugs were fixed
- New localizations: Azeri, Georgian
Changelog 4.18 Bêta
Changelog 4.17 Bêta
Changelog 4.16 Bêta
Télécharger 7-Zip 4.20 Finale Mutilangue 
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Changes:
- Support du glisser-déposer
- 7-Zip File Manager peut maintenant copier un fichier d'une archive à une autre
- Quelques bugs corrigés
- Nouvelles Traductions: Extremaduran, Malay
Changes:
- 7-Zip now doesn't interrupt the compressing when it can not
find specified file as in version 4.24 beta. It just shows warning.
- 7-Zip now supports standard selection mode in the file list
- Some bugs were fixed
v4.31
# Speed optimizations
# 64-bit Windows support
# LZH support
# CHM support
# Multivolume CAB support
# Drag and Drop improvements
v4.32
# Windows 95 support was improved
Le lien de téléchargement reste le même par contre
Hier est sortie la version 4.36 Bêta.
Changes v4.36 bêta (12/03/2006) :
- 7-Zip now can unpack ISO archives
- 7-Zip File Manager now can calculate CRC checksums for files
Changes v4.35 bêta (03/03/2006) :
- New switch for 7z.exe (console version): -slt.
"l" (list) command with -slt shows technical information for archive.
- Some bugs were fixed.
Changes v4.34 bêta (27/02/2006) :
- BZip2 compressing / decompressing now can work in multi-threading mode
- Multi-threading mode now is default for multi-processor systems
- New switch: -scs{WIN|DOS|UTF-8} specifies charset for list files.
Default charset for list files is UTF-8 now.
- New localization: Albanian
Changes v4.33 bêta (05/02/2006) :
- Compressing speed and Memory requirements were increased.
Default dictionary size was increased: Fastest: 64 KB, Fast: 1 MB,
Normal: 4 MB, Max: 16 MB, Ultra: 64 MB.
- 64-bit version now supports 1 GB dictionary
- 7z/LZMA now can use only these match finders: HC4, BT2, BT3, BT4
- Compression ratio in Zip/GZip/Deflate in Ultra mode was increased
- Some bugs were fixed