Bump to version 2.1.3

CHANGELOG.md

@@ -5,6 +5,15 @@ project adheres to [Semantic Versioning](http://semver.org/).
 Older versions are detailed as [GitHub
 releases](https://github.com/mudge/re2/releases) for this project.
 
+## [2.1.3] - 2023-09-23
+### Fixed
+- Fixed memory leaks reported by
+  [ruby_memcheck](https://github.com/Shopify/ruby_memcheck) when rewinding an
+  `RE2::Scanner` and when passing invalid input to `RE2::Regexp#scan`,
+  `RE2::Regexp#initialize`, `RE2.Replace`, `RE2.GlobalReplace` and
+  `RE2::Set#add`. Thanks to @peterzhu2118 for maintaining ruby_memcheck and
+  their assistance in finding the source of these leaks.
+
 ## [2.1.2] - 2023-09-20
 ### Fixed
 - Removed use of a C++17 extension from the gem to restore support for users
@@ -161,6 +170,7 @@ 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
 
+[2.1.3]: https://github.com/mudge/re2/releases/tag/v2.1.3
 [2.1.2]: https://github.com/mudge/re2/releases/tag/v2.1.2
 [2.1.1]: https://github.com/mudge/re2/releases/tag/v2.1.1
 [2.1.0]: https://github.com/mudge/re2/releases/tag/v2.1.0

README.md

@@ -5,7 +5,7 @@ Ruby bindings to [RE2][], a "fast, safe, thread-friendly alternative to
 backtracking regular expression engines like those used in PCRE, Perl, and
 Python".
 
-**Current version:** 2.1.2  
+**Current version:** 2.1.3  
 **Supported Ruby versions:** 2.6, 2.7, 3.0, 3.1, 3.2  
 **Bundled RE2 version:** libre2.11 (2023-09-01)  
 **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), libre2.10 (2022-12-01), libre2.11 (2023-07-01)
@@ -264,6 +264,11 @@ Contributions
   using `RE2::Scanner#scan` with an invalid regular expression;
 * Thanks to [Pritam Baral](https://github.com/pritambaral) for contributing the
   initial support for `RE2::Set`.
+* Thanks to [Mike Dalessio](https://github.com/flavorjones) for reviewing the
+  precompilation of native gems in 2.0.
+* Thanks to [Peter Zhu](https://github.com/peterzhu2118) for
+  [ruby_memcheck](https://github.com/Shopify/ruby_memcheck) and helping find
+  the memory leaks fixed in 2.1.3.
 
 Contact
 -------

lib/re2/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module RE2
-  VERSION = "2.1.2"
+  VERSION = "2.1.3"
 end