* Implement the `with` statement (197).
* The `fmt` command is now customizable (205).
* Serialize compiled rules in platform-independent way (202).
* Allow to specify namespaces for input rule files in the CLI (aa25903).
* Mach-O import parsing and import hash function by latonis in https://github.com/VirusTotal/yara-x/pull/135
* Refactor the deserialization API in Golang (e8bf6ed921).
* Redesign C API using callbacks (198).
* Implement APIs in C and Golang for accessing the individual rules contained in a `Rules` object (ef032524).
* BUGFIX: issue with some comments inside hex patterns (e7f63634).
* BUGFIX: bug while parsing regexp `/\\/` (09e823a).
* BUGFIX: panic when map, array or regexp is used as a boolean expression (5fb2057).
* BUGFIX: multiple issues in the parser with invalid rules (9c4231d, 699bf51, 28bf377, d19a323, 7e26d31, ba2059d, a2b7394).
* BUGFIX: bug while using `--compiled-rules` without namespaces (201).
Contributors: chudicek TommYDeeee latonis wxsBSD