From bf60b65472b2fce9e318b93ee3ac0d6c8e01faca Mon Sep 17 00:00:00 2001
From: "sw-release-bot[bot]"
 <255865126+sw-release-bot[bot]@users.noreply.github.com>
Date: Thu, 26 Mar 2026 21:41:59 +0000
Subject: [PATCH] chore: release v4.2.0

---
 CHANGELOG.md | 17 +++++++++++++++++
 Cargo.toml   |  2 +-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 390b22e08..e46b8e024 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,23 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [4.2.0](https://github.com/structured-world/coordinode-lsm-tree/compare/v4.1.0...v4.2.0) - 2026-03-26
+
+### Added
+
+- comparator-aware range tombstones ([#180](https://github.com/structured-world/coordinode-lsm-tree/pull/180))
+- *(compression)* CompressionProvider trait + pure Rust zstd backend ([#176](https://github.com/structured-world/coordinode-lsm-tree/pull/176))
+- *(error)* RouteMismatch error, blocked_bloom cleanup, bench/clippy fixes ([#166](https://github.com/structured-world/coordinode-lsm-tree/pull/166))
+- *(config)* per-level Fs routing for tiered storage ([#163](https://github.com/structured-world/coordinode-lsm-tree/pull/163))
+
+### Performance
+
+- *(bench)* consolidate benchmarks + nextest + flamegraph pipeline ([#175](https://github.com/structured-world/coordinode-lsm-tree/pull/175))
+
+### Testing
+
+- *(table)* add zstd dict helper coverage ([#181](https://github.com/structured-world/coordinode-lsm-tree/pull/181))
+
 ## [4.1.0](https://github.com/structured-world/coordinode-lsm-tree/compare/v4.0.0...v4.1.0) - 2026-03-24
 
 ### Added
diff --git a/Cargo.toml b/Cargo.toml
index eef46a1f4..1e512cc12 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "coordinode-lsm-tree"
 description = "A K.I.S.S. implementation of log-structured merge trees (LSM-trees/LSMTs) — CoordiNode fork"
 license = "Apache-2.0"
-version = "4.1.0"
+version = "4.2.0"
 edition = "2024"
 rust-version = "1.92"
 readme = "README.md"