UPX 4.2.0

Please see the file NEWS for a detailed list of changes.

Note: all versions are functionally equivalent, i.e. each version can handle all executable formats, so you only need the file that runs on your host OS.

Security/VirusTotal links are listed in the pinned issue #437

Asset / File	Description / Host OS
upx-4.2.0-amd64_linux.tar.xz	UPX - Linux version
upx-4.2.0-arm64_linux.tar.xz	UPX - Linux version
upx-4.2.0-armeb_linux.tar.xz	UPX - Linux version
upx-4.2.0-arm_linux.tar.xz	UPX - Linux version
upx-4.2.0-dos.zip	UPX - DOS version
upx-4.2.0-i386_linux.tar.xz	UPX - Linux version
upx-4.2.0-mipsel_linux.tar.xz	UPX - Linux version
upx-4.2.0-mips_linux.tar.xz	UPX - Linux version
upx-4.2.0-powerpc64le_linux.tar.xz	UPX - Linux version
upx-4.2.0-powerpc_linux.tar.xz	UPX - Linux version
upx-4.2.0-src.tar.xz	UPX - source code tarball
upx-4.2.0-win32.zip	UPX - X86 Win32 version
upx-4.2.0-win64.zip	UPX - X64 Win64 version