Software update: WinRAR 5.70 beta 1

Jan

28

2019

RAR Labs has released the first beta release of version 5.70 of its archiving programs RAR and WinRAR. This popular compression tool is available for various operating systems, including Windows, Linux and macOS. The program can handle the most common formats – including rar, zip, cab, arj, lzh, tar, gz, ace, uue, bz2, jar, iso, 7z and z – has a skinnable interface, and support for Zip64 and multivolume -cab files. In this edition the following changes and improvements have been made:

New:
“Files to process” option on “Time” page or archiving dialog allows you to choose files based on modification, creation or last access file time. Previously it was possible for modification time only.
Command line -ta, -tb, -tn, -to switches accept ‘m’, ‘c’ and ‘a’ modifiers after the switch name. So file time conditions can not be changed in time for previous versions, but also for creation and last access time.
WinRAR file list can display and load access times if they are available.
Creation and last access columns are disabled by default and can be enabled in the “Select file list columns” dialog. This dialog is opened after right clicking on file list column headers or after pressing “File list / Files / Columns …” button in WinRAR settings.
“Double extensions for archives” and “Archives in subfolders” options on “Files” page or archiving dialog modify behavior or “Put each file to separate archive” option.
You can switch between archive names in filename.ext.rar and filename.rar style with “Double extensions for archives”.
You can create a separate archive for every file in selected subfolders or in the archive of the subfolders.
New -ad1 switch can be used when unpacking multiple archives recursively, such as ‘rar x -r -ad1 arc \ *. Rar’. It creates a separate folder for files unpacked from each archive, but unlike already existing -ad switch, it creates such folders in each archive folder.
If context menu “Extract each archive to separate folder” is applied to archives from different folders in Windows Explorer “Search results”, subfolders with unpacked files are created in each archive folder. Previous versions created them all in a folder or right clicked archive.
New “File list / List style / Checkboxes” option in WinRAR settings allows you to use select list items.
New “File list / Files / Exact sizes” option in WinRAR settings.
If this is option, file sizes are always displayed in bytes. If it is off, sizes are rounded up and use units such as KB or MB. Smaller files can be still displayed in bytes.
If several console RARs are started with -ioff switch, PC is turned off by RAR copy finished last. Previously this switch was processed by first finished copy.
Read and write buffer size is increased for .iso files. It can help to improve .iso extraction performance in some cases, such as for network drives.
If “Delete archive” option in extraction dialog is applied to a set of RAR and REV volumes in volname.part # format, WinRAR will delete REV volumes as well. Previously only RAR volumes were deleted keeping REV files intact.
If “Delete archive” option in extraction dialog is applied to set or ZIP volumes with .zip.001, .zip.002, .zip.003 extensions, WinRAR will delete all ZIP volumes. Previously only .zip.001 volume was deleted for such volume naming scheme.
If we unpack arcname.rar using “Extract to arcname \” Explorer context menu command and “arcname” file already exists, WinRAR shell extension will propose “Extract to arcname ~ 1 \” instead. Previously this context menu command attempted to create a folder with the same name as already existing file and failed.
If we pack a shortcut file with .lnk extension from Explorer context menu, .lnk file itself is added to archive. Previous versions added .lnk file target instead of .lnk file.
Windows does not allow executables exceeding 4 GB, so WinRAR issues an error when 4 GB or larger RAR SFX volumes. Previously WinRAR issued RAR volume.
Total extraction progress is displayed for 7z multivolume archives. Accuracy of 7z total extraction progress has been improved.
Nadav Grossman from Check Point Software Technologies informed us about a security vulnerability in UNACEV2.DLL library. Aforementioned vulnerability makes possible create files in arbitrary folders inside or outside of destination folder when unpacking ACE archives.
WinRAR used this third party library to unpack ACE archives. UNACEV2.DLL had not been updated since 2005 and we do not have access to its source code. So we decided to drop ACE archive format support to protect security or WinRAR users.
Bugs fixed:
RAR mixed up source and destination file sizes and times in the overwrite prompt when updating a file in RAR archive with -o switch;
Dragging files from 32-bit applications to 64-bit WinRAR window did not work;
WinRAR Shift + Del command applied to a folder could fail to delete some of its subfolders. This command is permanently used to delete files and folders permanently instead of moving them to Recycle Bin;
Folder tree panel could not change folders if archived pathnames started from path separator, such as in archives created by tar tool with –absolute-names option;
If relative “Path =. \ Somefolder” was specified in SFX comment and SFX archive needed to elevate privileges when extracting, it created “somefolder \ somefolder” instead of “somefolder”;
Commands modifying an existing RAR4 volume resets the volume number field to 1. While it does not affect extraction, WinRAR is displayed as a volume volume for such volumes;
Fixed a crash when reading a comment from a corrupt RAR file;
Toolbar in “Find” command “Search results” window was not adjusted to different toolbar icon sizes properly.
The following downloads are available:
* WinRAR 5.70 beta 1 (32bit)
* WinRAR 5.70 beta 1 (64bit)
* RAR 5.70 Beta 1 for Linux (32bit)
* RAR 5.70 beta 1 for Linux (64bit)
* RAR 5.70 Beta 1 for FreeBSD (32bit)
* RAR 5.70 Beta 1 for FreeBSD (64bit)
* RAR 5.70 beta 1 for macOS (64bit)

WinRAR 5.6.0 screenshot (620 pix)
Version number 5.70 beta 1
Release status Beta
Operating systems Windows 7, Linux, BSD, Windows XP, macOS, Windows Server 2003, Windows Server 2008, Windows Server 2012, Windows 8, Windows 10, Windows Server 2016
Website
RAR Labs
Download
https://www.rarlab.com/download.htm
File sizes 532.00KB – 3.00MB
License type Shareware

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