v0.8.4

• perf : added RISC-V Vector extension (RVV) implementation, by @zijianli1234, @BoBoDai and @camel-cdr
• perf : added LoongArch LASX implementation and improved LSX, by @24bit-xjkp
• perf : prefer NEON over SVE on AArch64, improving XXH3 speed by 25-40%, by @Nicoshev
• perf : improved XXH3 streaming speed for very small updates, suggested by @aleksazr
• api : XXH_memcpy(), XXH_memset() and XXH_memcmp() can be redirected at compile time
• api : new XXH_NO_EXTERNC_GUARD build macro for complex C++ integration
• cli : added 64-bit seed support (-s, --seed), by @d06i
• cli : options can appear after filenames; -- terminates option parsing, #1098 reported by @unterkomplex
• cli : continue processing subsequent files after read errors, #1064 reported by @ZoomRmc
• cli : support long and special Windows paths, #1060, based on #1061 by @t-mat
• cli : improved benchmark accuracy, error handling and unit labels, #1051 reported by @calgray
• fix : unaligned reads could be miscompiled by GCC under strict aliasing, #1013 by @lassipulkkinen
• fix : XXH_INLINE_ALL compatibility with XXH_NAMESPACE and x86 runtime dispatch, by @pps83, #1071 reported by @Dr-Hex
• fix : avoid including system headers inside an extern "C" block, #1122 reported by @andreas-schwab
• fix : compilation with MSVC link-time optimization and warnings as errors, #1038 reported by @mi2think
• build: improved runtime dispatch detection for cross-compilation and non-x86 targets, with help from @eworm-de, #1081 reported by @PotMJ
• build: LIBXXH_DISPATCH=1 now applies to static and dynamic libraries, #1058 reported by @xiota
• build: Make builds now isolate objects by configuration and support parallel test builds
• build: moved CMake integration to build/cmake and improved cross-compilation detection
• install: improved package metadata and installation paths on Windows and FreeBSD, by @iwamatsu, @chitao1234 and @sunpoet
• portability: fixed compilation on ARM with GCC < 8, by @mstorsjo
• portability: fixed C++ compilation on Solaris and illumos, by @luqmana
• portability: AVX-512 implementation no longer requires AVX-512BW, by @NexusXe
• doc : expanded xxhsum documentation and clarified the algorithm specification files
• doc : document non-cryptographic collision properties, notably for XXH3's mid-size path (#1127 by @thomasahle)

v0.8.3

• fix : variant XXH3_128bits_withSecretandSeed() could produce an invalid result in some specific set of conditions, #894 by @hltj
• cli : vector extension detected at runtime on x86/x64, enabled by default
• cli : new commands --filelist and --files-from, by @Ian-Clowes
• cli : XXH3 64-bits GNU format can now be generated and checked (command -H3)
• portability: LoongArch SX SIMD extension, by @lrzlin
• portability: can build on AIX, suggested by @likema
• portability: validated for SPARC cpus

v0.8.2

• fix : XXH3 S390x vector implementation (@hzhuang1)
• fix : PowerPC vector compilation with IBM XL compiler (@MaxiBoether)
• perf : improved WASM speed by x2/x3 using SIMD128 (@easyaspi314)
• perf : improved speed (+20%) for XXH3 on ARM NEON (@easyaspi314)
• cli : Fix filename contain /LF character (@t-mat)
• cli : Support # comment lines in --check files (@t-mat)
• cli : Support commands --binary and --ignore-missing (@t-mat)
• build: fix -Og compilation (@easyaspi314, @t-mat)
• build: fix pkgconfig generation with cmake (@ilya-fedin)
• build: fix icc compilation
• build: fix cmake install directories
• build: new build options XXH_NO_XXH3, XXH_SIZE_OPT and XXH_NO_STREAM to reduce binary size (@easyaspi314)
• build: dedicated install targets (@ffontaine)
• build: support DISPATCH mode in cmake (@hzhuang1)
• portability: fix x86dispatch when building with Visual + clang-cl (@t-mat)
• portability: SVE vector implementation of XXH3 (@hzhuang1)
• portability: compatibility with freestanding environments, using XXH_NO_STDLIB
• portability: can build on Haiku (@Begasus)
• portability: validated on m68k and risc-v
• doc : XXH3 specification (@Adrien1018)
• doc : improved doxygen documentation (@easyaspi314, @t-mat)
• misc : dedicated sanity test binary (@t-mat)

v0.8.1

• perf : much improved performance for XXH3 streaming variants, notably on gcc and msvc
• perf : improved XXH64 speed and latency on small inputs
• perf : small XXH32 speed and latency improvement on small inputs of random size
• perf : minor stack usage improvement for XXH32 and XXH64
• api : new experimental variants XXH3_*_withSecretandSeed()
• api : update XXH3_generateSecret(), can no generate secret of any size (>= XXH3_SECRET_SIZE_MIN)
• cli : xxhsum can now generate and check XXH3 checksums, using command -H3
• build: can build xxhash without XXH3, with new build macro XXH_NO_XXH3
• build: fix xxh_x86dispatch build with MSVC, by @apankrat
• build: XXH_INLINE_ALL can always be used safely, even after XXH_NAMESPACE or a previous XXH_INLINE_ALL
• build: improved PPC64LE vector support, by @mpe
• install: fix pkgconfig, by @ellert
• install: compatibility with Haiku, by @Begasus
• doc : code comments made compatible with doxygen, by @easyaspi314
• misc : XXH_ACCEPT_NULL_INPUT_POINTER is no longer necessary, all functions can accept NULL input pointers, as long as size == 0
• misc : complete refactor of CI tests on Github Actions, offering much larger coverage, by @t-mat
• misc : xxhsum code base split into multiple specialized units, within directory cli/, by @easyaspi314

v0.8.0

• api : stabilize XXH3
• cli : xxhsum can parse BSD-style --check lines, by @WayneD
• cli : xxhsum - accepts console input, requested by @jaki
• cli : xxhsum accepts -- separator, by @jaki
• cli : fix : print correct default algo for symlinked helpers, by @martinetd
• install: improved pkgconfig script, allowing custom install locations, requested by @ellert

v0.7.4

• perf: automatic vector detection and selection at runtime (xxh_x86dispatch.h), initiated by @easyaspi314
• perf: added AVX512 support, by @gzm55
• api : new: secret generator XXH_generateSecret(), suggested by @koraa
• api : fix: XXH3_state_t is movable, identified by @koraa
• api : fix: state is correctly aligned in AVX mode (unlike malloc()), by @easyaspi314
• api : fix: streaming generated wrong values in some combination of random ingestion lengths, reported by @WayneD
• cli : fix unicode print on Windows, by @easyaspi314
• cli : can -c check file generated by sfv
• build: make DISPATCH=1 generates xxhsum and libxxhash with runtime vector detection (x86/x64 only)
• install: cygwin installation support
• doc : Cryptol specification of XXH32 and XXH64, by @weaversa

v0.7.3

• perf: improved speed for large inputs (~+20%)
• perf: improved latency for small inputs (~10%)
• perf: s390x Vectorial code, by @easyaspi314
• cli: improved support for Unicode filenames on Windows, thanks to @easyaspi314 and @t-mat
• api: xxhash.h can now be included in any order, with and without XXH_STATIC_LINKING_ONLY and XXH_INLINE_ALL
• build: xxHash's implementation transferred into xxhash.h. No more need to have xxhash.c in the /include directory for XXH_INLINE_ALL to work
• install: created pkg-config file, by @bket
• install: VCpkg installation instructions, by @LilyWangL
• doc: Highly improved code documentation, by @easyaspi314
• misc: New test tool in /tests/collisions: brute force collision tester for 64-bit hashes

v0.7.2

• Fixed collision ratio of XXH128 for some specific input lengths, reported by @svpv
• Improved VSX and NEON variants, by @easyaspi314
• Improved performance of scalar code path (XXH_VECTOR=0), by @easyaspi314
• xxhsum: can generate 128-bit hashes with the -H2 option (note: for experimental purposes only! XXH128 is not yet frozen)
• xxhsum: option -q removes status notifications

v0.7.1

• Secret first: the algorithm computation can be altered by providing a "secret", which is any blob of bytes, of size >= XXH3_SECRET_SIZE_MIN.
• seed is still available, and acts as a secret generator
• updated ARM NEON variant by @easyaspi314
• Streaming implementation is available
• Improve compatibility and performance with Visual Studio, with help from @aras-p
• Better integration when using XXH_INLINE_ALL: do not pollute host namespace, use its own macros, such as XXH_ASSERT(), XXH_ALIGN, etc.
• 128-bit variant provides helper functions for comparison of hashes.
• Better clang generation of rotl instruction, thanks to @easyaspi314
• XXH_REROLL build macro to reduce binary size, by @easyaspi314
• Improved cmake script, by @Mezozoysky
• Full benchmark program provided in /tests/bench