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- Update to version 5.4.1
  Bugfixes:
  * fix random char value of UTF-8.
  * bypass logical combination flag in hs_expression_info().
  * fix build error due to libc symbol parsing.
  * add empty string check for pure literal API.
  * fix unknown instruction error in pure literal API.
  * avoid memory leak in stream close stage.
  * fix assertion failure in DFA construction.
  * fix aligned allocator segment faults.
  * add quick validity check for scratch.
  * fix glibc-2.34 stack size issue.
  * fix SKIP flag issue in chimera.
  * fix one cotec check corner issue in UTF-8 validation.
  * Fix other compile issues.

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- Update to version 5.4.0
  * Improvement on literal matcher "Fat Teddy" performance,
    including support for Intel(R) AVX-512 Vector Byte Manipulation
    Instructions (Intel(R) AVX-512 VBMI).
  * Introduce a new 32-state shuffle-based DFA engine ("Sheng32").
    This improves scanning performance by leveraging AVX-512 VBMI.
  * Introduce a new 64-state shuffle-based DFA engine ("Sheng64").
    This improves scanning performance by leveraging AVX-512 VBMI.
  * Introduce a new shuffle-based hybrid DFA engine ("McSheng64").
    This improves scanning performance by leveraging AVX-512 VBMI.
  * Improvement on exceptional state handling performance for LimEx
    NFA, including support for AVX-512 VBMI.
  * Improvement on lookaround performance with new models,
    including support for AVX-512.
  * Improvement on DFA state space efficiency.
  * Optimization on decision of NFA/DFA generation.
  * hsbench: add CSV dump support for hsbench.
  * Bugfix for cmake error on Icelake under release mode.
  * Bugfix in find_vertices_in_cycles() to avoid self-loop checking
    in SCC.
  * Bugfix for issue #270: fix return value handling in chimera.
  * Bugfix for issue #284: use correct free function in logical
    combination.
  * Add BUILD_EXAMPLES cmake option to enable example code
    compilation.
  * Some typo fixing.

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- Update to version 5.3.0
  * Improvement on literal matcher "Teddy" performance, including
    support for Intel(R) AVX-512 Vector Byte Manipulation
    Instructions (Intel(R) AVX-512 VBMI).
  * Improvement on single-byte/two-byte matching performance,
    including support for Intel(R) Advanced Vector Extensions 512
    (Intel(R) AVX-512).
  * hsbench: add hyphen support for -T option.
  * tools/fuzz: add test scripts for synthetic pattern generation.
  * Bugfix for acceleration path analysis in LimEx NFA.
  * Bugfix for duplicate matches for Small-write engine.
  * Bugfix for UTF8 checking problem for hscollider.
  * Bugfix for issue #205: avoid crash of hs_compile_lit_multi()
    with clang and ASAN.
  * Bugfix for issue #217: fix cmake parsing issue of CPU arch for
    non-English locale.
  * Bugfix for issue #228: avoid undefined behavior when calling
    close() after fdopendir() in loadExpressions().
  * Bugfix for issue #239: fix hyperscan compile issue under gcc-10
  * Add VLAN packets processing capability in pcap analysis script.
  * Avoid extra convert instruction for "Noodle".
  * Add Hyperscan version marcro in hs.h.

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- Update to version 5.2.1
  - Fix compile issue when `BUILD_SHARED_LIBS` is on in
    release mode.
- Update to version 5.2.0
  - Literal API: add new API `hs_compile_lit()` and
    `hs_compile_lit_multi()` to process pure literal rule sets.
    The 2 literal APIs treat each expression text in a literal
    sense without recognizing any regular grammers.
  - Logical combination: add support for purely negative
    combinations, which report match at EOD in case of no
    sub-expressions matched.
  - Fix uninitialized use of `scatter_unit_uX` due to padding.
  - Fix numerical result out of range error.
  - Avoid corruption of pending combination report in streaming mode.
  - Fix scratch free issue when memory allocation fails.
- Builds are broken with LTO - disable for for now

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- Update to version 5.1.1
  * Add extra detection and handling when invalid rose programs are
    triggered.
  * Fix CMake parsing of CPU architecure for GCC-9.
  * Fix rose literal programs for multi-pattern matching when no
    pattern ids are provided.
  * Fix library install path in pkg-config files.

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- Update to version 5.1.0
  * Improve DFA state compression by wide-state optimization to
    reduce bytecode size.
  * Create specific interpreter runtime handling to boost the
    performance of pure literal matching.
  * Optimize original presentation of interpreter (the "Rose"
    engine ) to increase overall performance.
  * Bugfix for logical combinations: fix error reporting
    combination's match in case of sub-expression has EOD match
    under streaming mode.
  * Bugfix for logical combinations: fix miss reporting
    combination's match under vacuous input.
  * Fix compile error with Boost 1.68.0.
  * avoid pcre error for hscollider with installed PCRE package.
  * Update version of PCRE used by testing tools as a syntax and
    semantic reference to PCRE 8.41 or above.
- Remove patch:
  * hyperscan-build.patch (fixed upstream)

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- Add patch
  * hyperscan-build.patch (fix build for Tumbleweed)

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- Update to version 5.0.0
  * Introduce chimera hybrid engine of Hyperscan and PCRE, to fully
    support PCRE syntax as well as to take advantage of the high
    performance nature of Hyperscan.
  * New API feature: logical combinations (AND, OR and NOT) of
    patterns in a given pattern set.
  * Windows porting: hsbench, hscheck, hscollider and hsdump tools
    now available on Windows 8 or newer.
  * Improve undirected graph implementation to avoid graph copy and
    reduce compile time.
  * Bugfix for issue #86: enable hscollider for installed PCRE
    package.

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