XZ Utils 5.8.0 is available at <https://tukaani.org/xz/#_stable>.
5.8.0 (2025-03-25)
This bumps the minor version of liblzma because new features were
added. The API and ABI are still backward compatible with liblzma
5.6.x, 5.4.x, 5.2.x, and 5.0.x.
* liblzma on 32/64-bit x86: When possible, use SSE2 intrinsics
instead of memcpy() in the LZMA/LZMA2 decoder. In typical cases,
this may reduce decompression time by 0-5 %. However, when built
against musl libc, over 15 % time reduction was observed with
highly compressed files.
* CMake: Make the feature test macros match the Autotools-based
build on NetBSD, Darwin, and mingw-w64.
* Update the Croatian, Italian, Portuguese, and Romanian
translations.
* Update the German, Italian, Korean, Romanian, Serbian, and
Ukrainian man page translations.
Summary of changes in the 5.7.x development releases:
* Mark the following LZMA Utils script aliases as deprecated:
lzcmp, lzdiff, lzless, lzmore, lzgrep, lzegrep, and lzfgrep.
* liblzma:
- Improve LZMA/LZMA2 encoder speed on 64-bit PowerPC (both
endiannesses) and those 64-bit RISC-V processors that
support fast unaligned access.
- Add low-level APIs for RISC-V, ARM64, and x86 BCJ filters
to lzma/bcj.h. These are primarily for erofs-utils.
- x86/x86-64/E2K CLMUL CRC code was rewritten.
- Use the CRC32 instructions on LoongArch.
* xz:
- Synchronize the output file and its directory using fsync()
before deleting the input file. No syncing is done when xz
isn't going to delete the input file.
- Add --no-sync to disable the sync-before-delete behavior.
- Make --single-stream imply --keep.
* xz, xzdec, lzmainfo: When printing messages, replace
non-printable characters with question marks.
* xz and xzdec on Linux: Support Landlock ABI versions 5 and 6.
* CMake: Revise the configuration variables and some of their
options, and document them in the file INSTALL. CMake support
is no longer experimental. (It was already not experimental
when building for native Windows.)
* Add build-aux/license-check.sh.
--
Lasse Collin
