Add NEWS for 5.5.1alpha

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Jia Tan 2024-01-26 19:00:52 +08:00
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commit c7a7ae1500
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NEWS
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XZ Utils Release Notes XZ Utils Release Notes
====================== ======================
5.5.1alpha (2024-01-26)
* Added a new filter for RISC-V binaries. The filter can be used
for 32-bit and 64-bit binaries with either little or big
endianness. In liblzma, the Filter ID is LZMA_FILTER_RISCV (0x0B)
and the xz option is --riscv. liblzma filter string syntax
recognizes this filter as "riscv".
* liblzma:
- Added lzma_mt_block_size() to recommend a Block size for
multithreaded encoding
- Added CLMUL-based CRC32 on x86-64 and E2K with runtime
processor detection. Similar to CRC64, on 32-bit x86 it
isn't available unless --disable-assembler is used.
- Implemented GNU indirect function (IFUNC) as a runtime
function dispatching method for CRC32 and CRC64 fast
implementations on x86. Only GNU/Linux (glibc) and FreeBSD
builds will use IFUNC, unless --enable-ifunc is specified to
configure.
- Added definitions of mask values like
LZMA_INDEX_CHECK_MASK_CRC32 to <lzma/index.h>.
- The XZ logo is now included in the Doxygen generated
documentation. It is licensed under Creative Commons
Attribution-ShareAlike 4.0.
* xz:
- Multithreaded mode is now the default. This improves
compression speed and creates .xz files that can be
decompressed multithreaded at the cost of increased memory
usage and slightly worse compression ratio.
- Added new command line option --filters to set the filter
chain using liblzma filter string syntax.
- Added new command line options --filters1 ... --filters9 to
set additional filter chains using liblzma filter string
syntax. The --block-list option now allows specifying filter
chains that were set using these new options.
- Added support for Linux Landlock as a sandboxing method.
- xzdec now supports pledge(2), Capsicum, and Linux Landlock as
sandboxing methods.
- Progress indicator time stats remain accurate after pausing
xz with SIGTSTP.
- Ported xz and xzdec to Windows MSVC. Visual Studio 2015 or
later is required.
* CMake Build:
- Supports pledge(2), Capsicum, and Linux Landlock sandboxing
methods.
- Replacement functions for getopt_long() are used on platforms
that do not have it.
* Enabled unaligned access by default on PowerPC64LE and on RISC-V
targets that define __riscv_misaligned_fast.
* Tests:
- Added two new fuzz targets to OSS-Fuzz.
- Implemented Continuous Integration (CI) testing using
GitHub Actions.
* Changed quoting style from `...' to '...' in all messages,
scripts, and documentation.
* Added basic Codespell support to help catch typo errors.
5.4.6 (2024-01-26) 5.4.6 (2024-01-26)
* Fixed a bug involving internal function pointers in liblzma not * Fixed a bug involving internal function pointers in liblzma not