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changelog: updates for 5.4.1 release

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Chang, Harry 2023-02-21 22:52:57 +00:00
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CHANGELOG.md
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This is a list of notable changes to Hyperscan, in reverse chronological order.
## [5.4.1] 2023-02-20
- The Intel Hyperscan team is pleased to provide a bug fix release to our open source library.
Intel also maintains an upgraded version available through your Intel sales representative.
- Bugfix for issue #184: fix random char value of UTF-8.
- Bugfix for issue #291: bypass logical combination flag in hs_expression_info().
- Bugfix for issue #292: fix build error due to libc symbol parsing.
- Bugfix for issue #302/304: add empty string check for pure literal API.
- Bugfix for issue #303: fix unknown instruction error in pure literal API.
- Bugfix for issue #303: avoid memory leak in stream close stage.
- Bugfix for issue #305: fix assertion failure in DFA construction.
- Bugfix for issue #317: fix aligned allocator segment faults.
- Bugfix for issue #350: add quick validity check for scratch.
- Bugfix for issue #359: fix glibc-2.34 stack size issue.
- Bugfix for issue #360: fix SKIP flag issue in chimera.
- Bugfix for issue #362: fix one cotec check corner issue in UTF-8 validation.
- Fix other compile issues.
## [5.4.0] 2020-12-31
- Improvement on literal matcher "Fat Teddy" performance, including
support for Intel(R) AVX-512 Vector Byte Manipulation Instructions (Intel(R)