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changelog: updates for 5.3.0 release

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Hong, Yang A 2020-05-19 09:49:19 +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. This is a list of notable changes to Hyperscan, in reverse chronological order.
## [5.3.0] 2020-05-15
- 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 #211: fix error in `db_check_platform()` function.
- 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. (#214)
- Avoid extra convert instruction for "Noodle". (#221)
- Add Hyperscan version marcro in `hs.h`. (#222)
## [5.2.1] 2019-10-13 ## [5.2.1] 2019-10-13
- Bugfix for issue #186: fix compile issue when `BUILD_SHARED_LIBS` is on in - Bugfix for issue #186: fix compile issue when `BUILD_SHARED_LIBS` is on in
release mode. release mode.