Update CHANGELOG and bump version to 1.4.0

Author: mudge

CHANGELOG.md

@@ -5,6 +5,13 @@ project adheres to [Semantic Versioning](http://semver.org/).
 Older versions are detailed as [GitHub
 releases](https://github.com/mudge/re2/releases) for this project.
 
+## [1.4.0] - 2021-03-29
+### Fixed
+- Fixed a crash when using RE2::Scanner#scan with an invalid regular expression
+  (thanks to Sergio Medina for reporting this)
+- Fixed RE2::Regexp#match raising a NoMemoryError instead of an ArgumentError
+  when given a negative number of matches
+
 ## [1.3.0] - 2021-03-12
 ### Added
 - Add Homebrew's prefix on Apple Silicon and /usr as fallback locations
@@ -62,6 +69,7 @@ releases](https://github.com/mudge/re2/releases) for this project.
 ### Fixed
 - In Ruby 1.9.2 and later, re2 will now set the correct encoding for strings
 
+[1.4.0]: https://github.com/mudge/re2/releases/tag/v1.4.0
 [1.3.0]: https://github.com/mudge/re2/releases/tag/v1.3.0
 [1.2.0]: https://github.com/mudge/re2/releases/tag/v1.2.0
 [1.1.1]: https://github.com/mudge/re2/releases/tag/v1.1.1

README.md

@@ -4,7 +4,7 @@ re2 [![Build Status](https://github.com/mudge/re2/actions/workflows/tests.yml/ba
 A Ruby binding to [re2][], an "efficient, principled regular expression
 library".
 
-**Current version:** 1.3.0  
+**Current version:** 1.4.0  
 **Supported Ruby versions:** 1.8.7, 1.9.3, 2.0, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 3.0  
 **Supported re2 versions:** libre2.0 (< 2020-03-02), libre2.1 (2020-03-02), libre2.6 (2020-03-03), libre2.7 (2020-05-01), libre2.8 (2020-07-06), libre2.9 (2020-11-01)
 
@@ -175,7 +175,9 @@ Contributions
 * Thanks to [Stefano Rivera](https://github.com/stefanor) who first contributed C++11 support;
 * Thanks to [Stan Hu](https://github.com/stanhu) for reporting a bug with empty patterns and `RE2::Regexp#scan`;
 * Thanks to [Sebastian Reitenbach](https://github.com/buzzdeee) for reporting
-  the deprecation and removal of the `utf8` encoding option in re2.
+  the deprecation and removal of the `utf8` encoding option in re2;
+* Thanks to [Sergio Medina](https://github.com/serch) for reporting a bug when
+  using `RE2::Scanner#scan` with an invalid regular expression.
 
 Contact
 -------

re2.gemspec

@@ -2,7 +2,7 @@ Gem::Specification.new do |s|
   s.name = "re2"
   s.summary = "Ruby bindings to re2."
   s.description = 'Ruby bindings to re2, "an efficient, principled regular expression library".'
-  s.version = "1.3.0"
+  s.version = "1.4.0"
   s.authors = ["Paul Mucur"]
   s.homepage = "https://github.com/mudge/re2"
   s.extensions = ["ext/re2/extconf.rb"]