This is a list of notable changes to Hyperscan, in reverse chronological order.
+## [5.1.1] 2019-04-03
+- Add extra detection and handling when invalid rose programs are triggered.
+- Bugfix for issue #136: fix CMake parsing of CPU architecure for GCC-9.
+- Bugfix for issue #137: avoid file path impact on fat runtime build.
+- Bugfix for issue #141: fix rose literal programs for multi-pattern
+ matching when no pattern ids are provided.
+- Bugfix for issue #144: fix library install path in pkg-config files.
+
## [5.1.0] 2019-01-17
- Improve DFA state compression by wide-state optimization to reduce bytecode
size.