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Add NEWS for 5.3.2alpha.
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NEWS
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NEWS
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XZ Utils Release Notes
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======================
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5.3.2alpha (2021-10-28)
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This release was made on short notice so that recent erofs-utils can
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be built with LZMA support without needing a snapshot from xz.git.
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Thus many pending things were not included, not even updated
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translations (which would need to be updated for the new --list
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strings anyway).
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* All fixes from 5.2.5.
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* xz:
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- When copying metadata from the source file to the destination
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file, don't try to set the group (GID) if it is already set
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correctly. This avoids a failure on OpenBSD (and possibly on
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a few other OSes) where files may get created so that their
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group doesn't belong to the user, and fchown(2) can fail even
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if it needs to do nothing.
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- The --keep option now accepts symlinks, hardlinks, and
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setuid, setgid, and sticky files. Previously this required
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using --force.
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- Split the long strings used in --list and --info-memory modes
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to make them much easier for translators.
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- If built with sandbox support and enabling the sandbox fails,
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xz will now immediately exit with exit status of 1. Previously
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it would only display a warning if -vv was used.
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- Cap --memlimit-compress to 2000 MiB on MIPS32 because on
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MIPS32 userspace processes are limited to 2 GiB of address
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space.
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* liblzma:
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- Added lzma_microlzma_encoder() and lzma_microlzma_decoder().
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The API is in lzma/container.h.
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The MicroLZMA format is a raw LZMA stream (without end marker)
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whose first byte (always 0x00) has been replaced with
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bitwise-negation of the LZMA properties (lc/lp/pb). It was
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created for use in EROFS but may be used in other contexts
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as well where it is important to avoid wasting bytes for
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stream headers or footers. The format is also supported by
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XZ Embedded.
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The MicroLZMA encoder API in liblzma can compress into a
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fixed-sized output buffer so that as much data is compressed
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as can be fit into the buffer while still creating a valid
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MicroLZMA stream. This is needed for EROFS.
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- Added fuzzing support.
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- Support Intel Control-flow Enforcement Technology (CET) in
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32-bit x86 assembly files.
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- Visual Studio: Use non-standard _MSVC_LANG to detect C++
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standard version in the lzma.h API header. It's used to
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detect when "noexcept" can be used.
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* Scripts:
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- Fix exit status of xzdiff/xzcmp. Exit status could be 2 when
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the correct value is 1.
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- Fix exit status of xzgrep.
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- Detect corrupt .bz2 files in xzgrep.
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- Add zstd support to xzgrep and xzdiff/xzcmp.
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- Fix less(1) version detection in xzless. It failed if the
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version number from "less -V" contained a dot.
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* Fix typos and technical issues in man pages.
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* Build systems:
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- Windows: Fix building of resource files when config.h isn't
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used. CMake + Visual Studio can now build liblzma.dll.
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- Various fixes to the CMake support. It might still need a few
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more fixes even for liblzma-only builds.
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5.3.1alpha (2018-04-29)
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* All fixes from 5.2.4.
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