From 5a042d08318dab31216885bb1f996f1705f8190e Mon Sep 17 00:00:00 2001
From: Boshen <boshenc@gmail.com>
Date: Tue, 30 Sep 2025 14:27:08 +0800
Subject: [PATCH] chore: release v4.0.0

---
 CHANGELOG.md | 26 ++++++++++++++++++++++++++
 Cargo.lock   |  2 +-
 Cargo.toml   |  2 +-
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 44e865c..dd01a3f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,32 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [4.0.0](https://github.com/oxc-project/oxc-index-vec/compare/v3.1.0...v4.0.0) - 2025-09-30
+
+### Added
+
+- add const support to methods where possible ([#87](https://github.com/oxc-project/oxc-index-vec/pull/87))
+- add NonMaxU32 support via define_nonmax_index_type! macro ([#86](https://github.com/oxc-project/oxc-index-vec/pull/86))
+
+### Fixed
+
+- reorder attributes in define_nonmax_index_type! for proc macro compatibility
+
+### Other
+
+- cargo fmt
+- make serde and nonmax optional features
+- make nonmax support always available and use crate's own nonmax
+- make serde support always available and use crate's own serde
+- add documentation to all public methods to fix missing_docs warnings
+- remove backward compatibility alias for define_nonmax_index_type!
+- rename define_nonmax_index_type! to define_nonmax_u32_index_type!
+- apply tuple struct pattern to define_index_type! macro
+- remove #[repr(transparent)] from define_nonmax_index_type!
+- change define_nonmax_index_type! to use tuple struct pattern
+- document custom attribute support in define_nonmax_index_type!
+- remove bounds check from IndexVec::push ([#84](https://github.com/oxc-project/oxc-index-vec/pull/84))
+
 ## [3.1.0](https://github.com/oxc-project/oxc-index-vec/compare/v3.0.0...v3.1.0) - 2025-09-11
 
 ### Added
diff --git a/Cargo.lock b/Cargo.lock
index 35481f7..a8b3955 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -41,7 +41,7 @@ checksum = "610a5acd306ec67f907abe5567859a3c693fb9886eb1f012ab8f2a47bef3db51"
 
 [[package]]
 name = "oxc_index"
-version = "3.1.0"
+version = "4.0.0"
 dependencies = [
  "nonmax",
  "rayon",
diff --git a/Cargo.toml b/Cargo.toml
index 930dc6d..529e559 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "oxc_index"
-version = "3.1.0"
+version = "4.0.0"
 publish = true
 authors = ["Boshen <boshenc@gmail.com>"]
 edition = "2024"