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==================================================================
User visible changes for UPX
==================================================================

Changes in 2.03 (07 Nov 2006):
  * bvmlinuz/386: fix for kernels not at 0x100000; also allow x86_64
  * linux/elf386: work around Linux kernel bug (0-length .bss needs PF_W)

Changes in 2.02 (13 Aug 2006):
  * linux/386: work around Linux kernel bug (".bss" requires PF_W)
  * linux/ppc32, mach/ppc32: compressed programs now work on a 405 CPU
  * vmlinuz/386: fixed zlib uncompression problem on dos

Changes in 2.01 (06 Jun 2006):
  * arm/pe: better DLL support
  * dos/exe: device driver support added
  * linux/386: Fix --force-execve for PaX, grSecurity, and strict SELinux.
    /tmp must support execve(); therefore /tmp cannot be mounted 'noexec'.
  * win32/pe & arm/pe: added new option '--keep-resource=' for
    excluding selected resources from compression

Changes in 2.00 (27 Apr 2006):
  * linux/386: the stub now prints an error message if some strict
    SELinux mode does prevent runtime decompression and execution
    (for a fully SELinux-compatible but otherwise inferior compression
    format you can use the '--force-execve' option)
  * linux/386: worked around a problem where certain Linux kernels
    clobber the %ebx register during a syscall
  * win32/pe: disable filters for files with broken PE headers

Changes in 1.96 beta (13 Apr 2006):
  * arm/pe: added filter support
  * win32/pe: removed an unnecessary check so that Delphi 2006 and
    Digital Mars C++ programs finally are supported

Changes in 1.95 beta (09 Apr 2006):
  * arm/pe: added DLL support
  * arm/pe: added thumb mode stub support
  * arm/pe: added unpacking support
  * win32/pe: really worked around R6002 runtime errors

Changes in 1.94 beta (11 Mar 2006):
  * new format: added support for arm/pe (ARM executables running on WinCE)
  * new format: added support for linux elf/amd64
  * new format: added support for linux elf/ppc32
  * new format: added support for mach/ppc32 (Apple Mac OS X)
  * win32/pe: hopefully working "load config" support
  * win32/pe: R6002 runtime errors worked around
  * win32/pe: the stub now clears the dirty stack

Changes in 1.93 beta (07 Feb 2005):
  * vmlinuz/386: fixes to support more kernels

Changes in 1.92 beta (20 Jul 2004):
  * win32/pe: added option '--strip-loadconf' to strip the SEH load
    config section [NOTE: this option is obsolete since UPX 1.94]
  * win32/pe: try to detect .NET (win32/net) files [not yet supported by UPX]
  * vmlinux/386: new format that directly supports building Linux kernels
  * source code: now compiles cleanly under Win64

Changes in 1.91 beta (30 Jun 2004):
  * djgpp2/coff: added support for recent binutils versions
  * linux/elf386, linux/sh386: lots of improvements
  * vmlinuz/386: added support for recent kernels
  * watcom/le: don't crash on files without relocations
  * win32/pe: stricter checks of some PE values
  * option '--brute' now implies '--crp-ms=999999'.
  * source code: much improved portability using ACC, the
    Automatic Compiler Configuration
  * source code: compile fixes for strict ISO C++ compilers
  * source code: compile fixes for Win64
  * re-synced with upx 1.25 branch

Changes in 1.90 beta (11 Nov 2002):
  * implemented several new options for finer compression control:
    '--all-methods', '--all-filters' and '--brute'
  * ps1/exe: new format - UPX now supports PlayStation One programs
  * linux/386: added the option '--force-execve'
  * vmlinuz/386: better kernel detection and sanity checks
  * re-synced with upx 1.24 branch
  * documentation updates

Changes in 1.11 beta (20 Dec 2000):
  * vmlinuz/386: new format - UPX now supports bootable linux kernels
  * linux/elf386: added the new ELF direct-to-memory executable format - no
    more temp files are needed for decompression!
  * linux/sh386: added the new shell direct-to-memory executable format - no
    more temp files are needed for decompression!
  * reduced overall memory requirements during packing
  * quite a number of internal source code rearrangements

==================================================================

Changes in 1.25 (29 Jun 2004)
  * INFO: http://upx.sourceforge.net is the permanent UPX home page
  * watcom/le: don't crash on files without relocations
  * win32/pe: stricter checks of some PE values
  * source code: much improved portability using ACC, the
    Automatic Compiler Configuration
  * source code: compile fixes for strict ISO C++ compilers
  * source code: compile fixes for Win64

Changes in 1.24 (07 Nov 2002)
  * djgpp2/coff: stricter check of the COFF header to work around a
    problem with certain binutils versions

Changes in 1.23 (05 Sep 2002)
  * atari/tos: fixed an unpacking problem where a buffer was too
    small (introduced in 1.22)
  * linux/386: don't give up too early if a single block turns out
    to be incompressible
  * documentation: added some quick tips how to achieve the best
    compression ratio for the final release of your application
  * fixed a rare situation where the exit code was not set correctly

Changes in 1.22 (27 Jun 2002)
  * atari/tos: the stub now flushes the CPU cache to avoid
    problems on 68030+ machines
  * source code: additional compiler support for Borland C++,
    Digital Mars C++ and Watcom C++

Changes in 1.21 (01 Jun 2002)
  * New option '--crp-ms=' for slightly better compression at the cost
    of higher memory requirements during compression.
    Try 'upx --best --crp-ms=100000'. See the docs for more info.
  * source code: portability fixes
  * source code: compile fixes for g++ 3.0 and g++ 3.1

Changes in 1.20 (23 May 2001)
  * slightly faster compression
  * work around a gcc problem in the latest djgpp2 distribution
  * watcom/le: fixed detection of already compressed files
  * win32/pe: do not compress RT_MANIFEST resource types
  * win32/pe: improved the error message for empty resource sections
  * [NOTE: the jump from 1.08 to 1.20 is to avoid confusion with
           our unstable development releases 1.1x and 1.9x]

Changes in 1.08 (30 Apr 2001)
  * new native port to atari/tos
  * win32/pe: shortened the identstring
  * source code: portability fixes - UPX now builds cleanly under m68k CPUs

Changes in 1.07 (20 Feb 2001)
  * win32/pe: corrected the TLS callback check
  * win32/pe: really fixed that rare bug in relocation handling
  * win32/pe: experimental support for SizeOfHeaders > 0x1000
  * win32/pe: check for superfluous data between sections
  * win32/pe: compressing screensavers (.scr) should finally work

Changes in 1.06 (27 Jan 2001)
  * win32/pe: the check for TLS callbacks introduced in 1.05
      was too strict - disabled for now
  * dos/com: decreased the decompressor stack size a little bit

Changes in 1.05 (24 Jan 2001)
  * win32/pe: refuse to compress programs with TLS callbacks
  * win32/pe: stub changes to avoid slowdowns with some virus monitors
  * win32/pe: reverted the relocation handling changes in 1.04
  * linux/386: dont try to compress Linux kernel images (have a look
      at the unstable UPX 1.1x beta versions for that)

Changes in 1.04 (19 Dec 2000)
  * dos/exe: fixed an internal error when using '--no-reloc'
  * win32/pe: fixed a rare bug in the relocation handling code
  * some tunings for the default compression level

Changes in 1.03 (30 Nov 2000)
  * linked with a new version of the NRV compression library:
      - improved compression ratio a little bit
      - overall significantly faster compression
      - much faster when using high compression levels like '-9' or '--best'
      - much faster with large files
  * atari/tos: added support for FreeMiNT
  * the 32-bit DOS version now uses the new CWSDSTUB extender

Changes in 1.02 (13 Sep 2000)
  * watcom/le: fixed a problem with the Causeway extender
  * win32/pe: don't automatically strip relocs if they seem needed
  * support multiple backup generations when using '-k'
  * updated the console screen driver

Changes in 1.01 (09 Apr 2000)
  * win32/pe: fixed an uncompression problem in DLLs with empty
    fixup sections
  * win32/pe: fixed another rare uncompression problem - a field in the
    PE header was set incorrectly

Changes in 1.00 (26 Mar 2000)