Bump to v2.1.0

CHANGELOG.md

@@ -6,9 +6,13 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 ## [Unreleased]
 
+## [2.1.0] - 2026-10-28
+
 ### Added
 
 - Add `Version::CRuby4_0` to the Rust bindings. `Version::CRuby3_5` remains available but is deprecated in favor of the new name; both select Ruby 4.0 syntax.
+- Let embedders set the allocation size for the first block allocated in an arena via `PM_ARENA_INITIAL_SIZE`.
+- Let embedders set the minimum initial size for the constant pool via `PM_CONSTANT_POOL_MIN_CAPACITY`.
 
 ## [2.0.0] - 2026-10-21
 
@@ -841,45 +845,46 @@ Note that for this major version, almost every change listed below is breaking.
 
 - 🎉 Initial release! 🎉
 
-[unreleased]: https://github.com/ruby/prism/compare/v2.0.0...HEAD
-[2.0.0]: https://github.com/ruby/prism/compare/v1.9.0...v2.0.0
-[1.9.0]: https://github.com/ruby/prism/compare/v1.8.1...v1.9.0
-[1.8.1]: https://github.com/ruby/prism/compare/v1.8.0...v1.8.1
-[1.8.0]: https://github.com/ruby/prism/compare/v1.7.0...v1.8.0
-[1.7.0]: https://github.com/ruby/prism/compare/v1.6.0...v1.7.0
-[1.6.0]: https://github.com/ruby/prism/compare/v1.5.2...v1.6.0
-[1.5.2]: https://github.com/ruby/prism/compare/v1.5.1...v1.5.2
-[1.5.1]: https://github.com/ruby/prism/compare/v1.5.0...v1.5.1
-[1.5.0]: https://github.com/ruby/prism/compare/v1.4.0...v1.5.0
-[1.4.0]: https://github.com/ruby/prism/compare/v1.3.0...v1.4.0
-[1.3.0]: https://github.com/ruby/prism/compare/v1.2.0...v1.3.0
-[1.2.0]: https://github.com/ruby/prism/compare/v1.1.0...v1.2.0
-[1.1.0]: https://github.com/ruby/prism/compare/v1.0.0...v1.1.0
-[1.0.0]: https://github.com/ruby/prism/compare/v0.30.0...v1.0.0
-[0.30.0]: https://github.com/ruby/prism/compare/v0.29.0...v0.30.0
-[0.29.0]: https://github.com/ruby/prism/compare/v0.28.0...v0.29.0
-[0.28.0]: https://github.com/ruby/prism/compare/v0.27.0...v0.28.0
-[0.27.0]: https://github.com/ruby/prism/compare/v0.26.0...v0.27.0
-[0.26.0]: https://github.com/ruby/prism/compare/v0.25.0...v0.26.0
-[0.25.0]: https://github.com/ruby/prism/compare/v0.24.0...v0.25.0
-[0.24.0]: https://github.com/ruby/prism/compare/v0.23.0...v0.24.0
-[0.23.0]: https://github.com/ruby/prism/compare/v0.22.0...v0.23.0
-[0.22.0]: https://github.com/ruby/prism/compare/v0.21.0...v0.22.0
-[0.21.0]: https://github.com/ruby/prism/compare/v0.20.0...v0.21.0
-[0.20.0]: https://github.com/ruby/prism/compare/v0.19.0...v0.20.0
-[0.19.0]: https://github.com/ruby/prism/compare/v0.18.0...v0.19.0
-[0.18.0]: https://github.com/ruby/prism/compare/v0.17.1...v0.18.0
-[0.17.1]: https://github.com/ruby/prism/compare/v0.17.0...v0.17.1
-[0.17.0]: https://github.com/ruby/prism/compare/v0.16.0...v0.17.0
-[0.16.0]: https://github.com/ruby/prism/compare/v0.15.1...v0.16.0
-[0.15.1]: https://github.com/ruby/prism/compare/v0.15.0...v0.15.1
-[0.15.0]: https://github.com/ruby/prism/compare/v0.14.0...v0.15.0
-[0.14.0]: https://github.com/ruby/prism/compare/v0.13.0...v0.14.0
-[0.13.0]: https://github.com/ruby/prism/compare/v0.12.0...v0.13.0
-[0.12.0]: https://github.com/ruby/prism/compare/v0.11.0...v0.12.0
-[0.11.0]: https://github.com/ruby/prism/compare/v0.10.0...v0.11.0
-[0.10.0]: https://github.com/ruby/prism/compare/v0.9.0...v0.10.0
-[0.9.0]: https://github.com/ruby/prism/compare/v0.8.0...v0.9.0
-[0.8.0]: https://github.com/ruby/prism/compare/v0.7.0...v0.8.0
-[0.7.0]: https://github.com/ruby/prism/compare/v0.6.0...v0.7.0
-[0.6.0]: https://github.com/ruby/prism/compare/d60531...v0.6.0
+[unreleased]: https://github.com/ruby/prism3/compare/v2.1.0...HEAD
+[2.1.0]: https://github.com/ruby/prism3/compare/v2.0.0...v2.1.0
+[2.0.0]: https://github.com/ruby/prism3/compare/v1.9.0...v2.0.0
+[1.9.0]: https://github.com/ruby/prism3/compare/v1.8.1...v1.9.0
+[1.8.1]: https://github.com/ruby/prism3/compare/v1.8.0...v1.8.1
+[1.8.0]: https://github.com/ruby/prism3/compare/v1.7.0...v1.8.0
+[1.7.0]: https://github.com/ruby/prism3/compare/v1.6.0...v1.7.0
+[1.6.0]: https://github.com/ruby/prism3/compare/v1.5.2...v1.6.0
+[1.5.2]: https://github.com/ruby/prism3/compare/v1.5.1...v1.5.2
+[1.5.1]: https://github.com/ruby/prism3/compare/v1.5.0...v1.5.1
+[1.5.0]: https://github.com/ruby/prism3/compare/v1.4.0...v1.5.0
+[1.4.0]: https://github.com/ruby/prism3/compare/v1.3.0...v1.4.0
+[1.3.0]: https://github.com/ruby/prism3/compare/v1.2.0...v1.3.0
+[1.2.0]: https://github.com/ruby/prism3/compare/v1.1.0...v1.2.0
+[1.1.0]: https://github.com/ruby/prism3/compare/v1.0.0...v1.1.0
+[1.0.0]: https://github.com/ruby/prism3/compare/v0.30.0...v1.0.0
+[0.30.0]: https://github.com/ruby/prism3/compare/v0.29.0...v0.30.0
+[0.29.0]: https://github.com/ruby/prism3/compare/v0.28.0...v0.29.0
+[0.28.0]: https://github.com/ruby/prism3/compare/v0.27.0...v0.28.0
+[0.27.0]: https://github.com/ruby/prism3/compare/v0.26.0...v0.27.0
+[0.26.0]: https://github.com/ruby/prism3/compare/v0.25.0...v0.26.0
+[0.25.0]: https://github.com/ruby/prism3/compare/v0.24.0...v0.25.0
+[0.24.0]: https://github.com/ruby/prism3/compare/v0.23.0...v0.24.0
+[0.23.0]: https://github.com/ruby/prism3/compare/v0.22.0...v0.23.0
+[0.22.0]: https://github.com/ruby/prism3/compare/v0.21.0...v0.22.0
+[0.21.0]: https://github.com/ruby/prism3/compare/v0.20.0...v0.21.0
+[0.20.0]: https://github.com/ruby/prism3/compare/v0.19.0...v0.20.0
+[0.19.0]: https://github.com/ruby/prism3/compare/v0.18.0...v0.19.0
+[0.18.0]: https://github.com/ruby/prism3/compare/v0.17.1...v0.18.0
+[0.17.1]: https://github.com/ruby/prism3/compare/v0.17.0...v0.17.1
+[0.17.0]: https://github.com/ruby/prism3/compare/v0.16.0...v0.17.0
+[0.16.0]: https://github.com/ruby/prism3/compare/v0.15.1...v0.16.0
+[0.15.1]: https://github.com/ruby/prism3/compare/v0.15.0...v0.15.1
+[0.15.0]: https://github.com/ruby/prism3/compare/v0.14.0...v0.15.0
+[0.14.0]: https://github.com/ruby/prism3/compare/v0.13.0...v0.14.0
+[0.13.0]: https://github.com/ruby/prism3/compare/v0.12.0...v0.13.0
+[0.12.0]: https://github.com/ruby/prism3/compare/v0.11.0...v0.12.0
+[0.11.0]: https://github.com/ruby/prism3/compare/v0.10.0...v0.11.0
+[0.10.0]: https://github.com/ruby/prism3/compare/v0.9.0...v0.10.0
+[0.9.0]: https://github.com/ruby/prism3/compare/v0.8.0...v0.9.0
+[0.8.0]: https://github.com/ruby/prism3/compare/v0.7.0...v0.8.0
+[0.7.0]: https://github.com/ruby/prism3/compare/v0.6.0...v0.7.0
+[0.6.0]: https://github.com/ruby/prism3/compare/d60531...v0.6.0

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    prism (2.0.0)
+    prism (2.1.0)
 
 GEM
   remote: https://rubygems.org/

ext/prism/extension.h

@@ -1,7 +1,7 @@
 #ifndef PRISM_EXT_NODE_H
 #define PRISM_EXT_NODE_H
 
-#define EXPECTED_PRISM_VERSION "2.0.0"
+#define EXPECTED_PRISM_VERSION "2.1.0"
 
 #include <ruby.h>
 #include <ruby/encoding.h>

gemfiles/2.7/Gemfile.lock

@@ -1,14 +1,14 @@
 PATH
   remote: ../..
   specs:
-    prism (2.0.0)
+    prism (2.1.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.3)
     onigmo (0.1.0)
-    parser (3.3.12.0)
+    parser (3.3.13.0)
       ast (~> 2.4.1)
       racc
     power_assert (3.1.0)

gemfiles/3.0/Gemfile.lock

@@ -1,14 +1,14 @@
 PATH
   remote: ../..
   specs:
-    prism (2.0.0)
+    prism (2.1.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.3)
     onigmo (0.1.0)
-    parser (3.3.12.0)
+    parser (3.3.13.0)
       ast (~> 2.4.1)
       racc
     power_assert (3.1.0)

gemfiles/3.1/Gemfile.lock

@@ -1,14 +1,14 @@
 PATH
   remote: ../..
   specs:
-    prism (2.0.0)
+    prism (2.1.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.3)
     onigmo (0.1.0)
-    parser (3.3.12.0)
+    parser (3.3.13.0)
       ast (~> 2.4.1)
       racc
     power_assert (3.1.0)

gemfiles/3.2/Gemfile.lock

@@ -1,14 +1,14 @@
 PATH
   remote: ../..
   specs:
-    prism (2.0.0)
+    prism (2.1.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.3)
     onigmo (0.1.0)
-    parser (3.3.12.0)
+    parser (3.3.13.0)
       ast (~> 2.4.1)
       racc
     power_assert (3.1.0)

gemfiles/3.3/Gemfile.lock

@@ -1,14 +1,14 @@
 PATH
   remote: ../..
   specs:
-    prism (2.0.0)
+    prism (2.1.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.3)
     onigmo (0.1.0)
-    parser (3.3.12.0)
+    parser (3.3.13.0)
       ast (~> 2.4.1)
       racc
     power_assert (3.1.0)

gemfiles/3.4/Gemfile.lock

@@ -1,14 +1,14 @@
 PATH
   remote: ../..
   specs:
-    prism (2.0.0)
+    prism (2.1.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.3)
     onigmo (0.1.0)
-    parser (3.3.12.0)
+    parser (3.3.13.0)
       ast (~> 2.4.1)
       racc
     power_assert (3.1.0)

gemfiles/4.0/Gemfile.lock

@@ -1,14 +1,14 @@
 PATH
   remote: ../..
   specs:
-    prism (2.0.0)
+    prism (2.1.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.3)
     onigmo (0.1.0)
-    parser (3.3.12.0)
+    parser (3.3.13.0)
       ast (~> 2.4.1)
       racc
     power_assert (3.1.0)

gemfiles/4.1/Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: ../..
   specs:
-    prism (2.0.0)
+    prism (2.1.0)
 
 GEM
   remote: https://rubygems.org/

include/prism/version.h

@@ -20,7 +20,7 @@ extern "C" {
 /**
  * The minor version of the Prism library as an int.
  */
-#define PRISM_VERSION_MINOR 0
+#define PRISM_VERSION_MINOR 1
 
 /**
  * The patch version of the Prism library as an int.
@@ -30,7 +30,7 @@ extern "C" {
 /**
  * The version of the Prism library as a constant string.
  */
-#define PRISM_VERSION "2.0.0"
+#define PRISM_VERSION "2.1.0"
 
 /**
  * The prism version and the serialization format.

java/wasm/src/test/java/org/jruby/parser/prism/WASMTest.java

@@ -88,7 +88,7 @@ public void testMBCIdentifier() {
     @Test
     public void testVersion() {
         try (Prism prism = new Prism()) {
-            assertEquals("2.0.0", prism.version());
+            assertEquals("2.1.0", prism.version());
         }
     }
 }

javascript/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ruby/prism",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "Prism Ruby parser",
   "type": "module",
   "main": "src/index.js",

prism.gemspec

@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |spec|
   spec.name = "prism"
-  spec.version = "2.0.0"
+  spec.version = "2.1.0"
   spec.authors = ["Ruby developers"]
   spec.email = ["ruby-core@ruby-lang.org"]
 

rust/ruby-prism-sys/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ruby-prism-sys"
-version = "2.0.0"
+version = "2.1.0"
 edition = "2021"
 license = "MIT"
 repository = "https://github.com/ruby/prism"

rust/ruby-prism-sys/tests/utils_tests.rs

@@ -9,5 +9,5 @@ fn version_test() {
         CStr::from_ptr(version)
     };
 
-    assert_eq!(&cstring.to_string_lossy(), "2.0.0");
+    assert_eq!(&cstring.to_string_lossy(), "2.1.0");
 }

rust/ruby-prism/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ruby-prism"
-version = "2.0.0"
+version = "2.1.0"
 edition = "2021"
 license = "MIT"
 repository = "https://github.com/ruby/prism"
@@ -26,7 +26,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 
 [dependencies]
-ruby-prism-sys = { version = "2.0.0", path = "../ruby-prism-sys" }
+ruby-prism-sys = { version = "2.1.0", path = "../ruby-prism-sys" }
 
 [features]
 default = ["vendored"]

templates/java/api/src/main/java-templates/org/ruby_lang/prism/Loader.java.erb

@@ -91,7 +91,7 @@ public class Loader {
         expect((byte) 'M', "incorrect prism header");
 
         expect((byte) 2, "prism major version does not match");
-        expect((byte) 0, "prism minor version does not match");
+        expect((byte) 1, "prism minor version does not match");
         expect((byte) 0, "prism patch version does not match");
 
         expect((byte) 1, "Loader.java requires no location fields in the serialized output");

templates/javascript/src/deserialize.js.erb

@@ -4,7 +4,7 @@ import { Location } from "./location.js";
 import { Source } from "./source.js";
 
 const MAJOR_VERSION = 2;
-const MINOR_VERSION = 0;
+const MINOR_VERSION = 1;
 const PATCH_VERSION = 0;
 
 /* The DataView getFloat64 function takes an optional second argument that

templates/lib/prism/serialize.rb.erb

@@ -13,7 +13,7 @@ module Prism
 
     # The minor version of prism that we are expecting to find in the serialized
     # strings.
-    MINOR_VERSION = 0
+    MINOR_VERSION = 1
 
     # The patch version of prism that we are expecting to find in the serialized
     # strings.