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changelog: updates for 5.1.0 release

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Chang, Harry 2019-01-03 14:58:53 +08:00
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CHANGELOG.md
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This is a list of notable changes to Hyperscan, in reverse chronological order.
## [5.1.0] 2019-01-17
- 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.
- Bugfix for issue #104: fix compile error with Boost 1.68.0.
- Bugfix for issue #127: 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.
- Fix github repo address in doc.
## [5.0.0] 2018-07-09
- 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