diff --git a/CHANGELOG.md b/CHANGELOG.md
index d511e47d..5fd0a373 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.3] — 2026-09-17
+
 ### Security
 
 - **Frontmatter YAML parsing is bounded (#162).** Adversarial frontmatter can no
@@ -1978,7 +1980,8 @@ First public release of the MDS (Markdown Script) compiler.
 
 - 590 Rust tests (integration, unit, and doc-tests across the workspace) plus the JavaScript package suites
 
-[Unreleased]: https://github.com/dean0x/mdscript/compare/v0.4.2...HEAD
+[Unreleased]: https://github.com/dean0x/mdscript/compare/v0.4.3...HEAD
+[0.4.3]: https://github.com/dean0x/mdscript/compare/v0.4.2...v0.4.3
 [0.4.2]: https://github.com/dean0x/mdscript/compare/v0.4.1...v0.4.2
 [0.4.1]: https://github.com/dean0x/mdscript/compare/v0.4.0...v0.4.1
 [0.4.0]: https://github.com/dean0x/mdscript/compare/v0.3.0...v0.4.0
diff --git a/Cargo.lock b/Cargo.lock
index 29ed72ee..fb12cb6c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -557,7 +557,7 @@ checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
 
 [[package]]
 name = "mds-cli"
-version = "0.4.2"
+version = "0.4.3"
 dependencies = [
  "clap",
  "ctrlc",
@@ -574,7 +574,7 @@ dependencies = [
 
 [[package]]
 name = "mds-core"
-version = "0.4.2"
+version = "0.4.3"
 dependencies = [
  "indexmap",
  "miette",
@@ -587,7 +587,7 @@ dependencies = [
 
 [[package]]
 name = "mds-napi"
-version = "0.4.2"
+version = "0.4.3"
 dependencies = [
  "mds-core",
  "napi",
@@ -598,7 +598,7 @@ dependencies = [
 
 [[package]]
 name = "mds-python"
-version = "0.4.2"
+version = "0.4.3"
 dependencies = [
  "mds-core",
  "pyo3",
@@ -608,7 +608,7 @@ dependencies = [
 
 [[package]]
 name = "mds-wasm"
-version = "0.4.2"
+version = "0.4.3"
 dependencies = [
  "js-sys",
  "mds-core",
diff --git a/Cargo.toml b/Cargo.toml
index ff36a2b4..757c81e0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = ["crates/mds-core", "crates/mds-cli", "crates/mds-wasm", "crates/mds-n
 resolver = "2"
 
 [workspace.package]
-version = "0.4.2"
+version = "0.4.3"
 edition = "2021"
 rust-version = "1.88" # napi 3.12.2 sets rust-version = "1.88" in its published Cargo.toml
 license = "MIT"
diff --git a/crates/mds-cli/Cargo.toml b/crates/mds-cli/Cargo.toml
index 425d35bf..5ccc33c4 100644
--- a/crates/mds-cli/Cargo.toml
+++ b/crates/mds-cli/Cargo.toml
@@ -24,7 +24,7 @@ path = "src/main.rs"
 startup-race-probe = []
 
 [dependencies]
-mds = { package = "mds-core", path = "../mds-core", version = "0.4.2" }
+mds = { package = "mds-core", path = "../mds-core", version = "0.4.3" }
 clap = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
diff --git a/crates/mds-napi/Cargo.toml b/crates/mds-napi/Cargo.toml
index 07bbb3e8..c0c67a78 100644
--- a/crates/mds-napi/Cargo.toml
+++ b/crates/mds-napi/Cargo.toml
@@ -24,7 +24,7 @@ debug-panics = []
 crate-type = ["cdylib"]
 
 [dependencies]
-mds = { package = "mds-core", path = "../mds-core", version = "0.4.2" }
+mds = { package = "mds-core", path = "../mds-core", version = "0.4.3" }
 napi = { workspace = true }
 napi-derive = { workspace = true }
 serde_json = { workspace = true }
diff --git a/crates/mds-napi/package.json b/crates/mds-napi/package.json
index 3b781c55..e446ee5d 100644
--- a/crates/mds-napi/package.json
+++ b/crates/mds-napi/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mdscript/mds-napi",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "MDS compiler native Node.js bindings (napi-rs)",
   "main": "index.js",
   "types": "index.d.ts",
diff --git a/crates/mds-python/Cargo.toml b/crates/mds-python/Cargo.toml
index e96369b6..9872c489 100644
--- a/crates/mds-python/Cargo.toml
+++ b/crates/mds-python/Cargo.toml
@@ -39,7 +39,7 @@ test = false
 doctest = false
 
 [dependencies]
-mds = { package = "mds-core", path = "../mds-core", version = "0.4.2" }
+mds = { package = "mds-core", path = "../mds-core", version = "0.4.3" }
 pyo3 = { workspace = true }
 pythonize = { workspace = true }
 serde_json = { workspace = true }
diff --git a/crates/mds-wasm/Cargo.toml b/crates/mds-wasm/Cargo.toml
index 0e1c7b76..b15bfe7e 100644
--- a/crates/mds-wasm/Cargo.toml
+++ b/crates/mds-wasm/Cargo.toml
@@ -28,7 +28,7 @@ debug-panics = []
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-mds = { package = "mds-core", path = "../mds-core", version = "0.4.2" }
+mds = { package = "mds-core", path = "../mds-core", version = "0.4.3" }
 wasm-bindgen = { workspace = true }
 serde-wasm-bindgen = { workspace = true }
 serde = { workspace = true }
@@ -36,7 +36,7 @@ serde_json = { workspace = true }
 js-sys = { workspace = true }
 
 [dev-dependencies]
-mds = { package = "mds-core", path = "../mds-core", version = "0.4.2" }
+mds = { package = "mds-core", path = "../mds-core", version = "0.4.3" }
 wasm-bindgen-test = { workspace = true }
 
 [package.metadata.wasm-pack.profile.release]
diff --git a/package-lock.json b/package-lock.json
index 2163e1fc..20a45276 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
     },
     "crates/mds-napi": {
       "name": "@mdscript/mds-napi",
-      "version": "0.4.2",
+      "version": "0.4.3",
       "license": "MIT",
       "devDependencies": {
         "@napi-rs/cli": "^3.8.6",
@@ -4024,7 +4024,7 @@
     },
     "packages/bundler-utils": {
       "name": "@mdscript/bundler-utils",
-      "version": "0.4.2",
+      "version": "0.4.3",
       "license": "MIT",
       "devDependencies": {
         "@mdscript/mds": "file:../mds",
@@ -4035,15 +4035,15 @@
         "node": ">=22.0.0"
       },
       "peerDependencies": {
-        "@mdscript/mds": "^0.4.2"
+        "@mdscript/mds": "^0.4.3"
       }
     },
     "packages/mds": {
       "name": "@mdscript/mds",
-      "version": "0.4.2",
+      "version": "0.4.3",
       "license": "MIT",
       "dependencies": {
-        "@mdscript/mds-wasm": "^0.4.2"
+        "@mdscript/mds-wasm": "^0.4.3"
       },
       "devDependencies": {
         "@types/node": "^25.9.1",
@@ -4053,12 +4053,12 @@
         "node": ">=22.0.0"
       },
       "optionalDependencies": {
-        "@mdscript/mds-napi": "^0.4.2"
+        "@mdscript/mds-napi": "^0.4.3"
       }
     },
     "packages/mds-wasm": {
       "name": "@mdscript/mds-wasm",
-      "version": "0.4.2",
+      "version": "0.4.3",
       "license": "MIT",
       "engines": {
         "node": ">=22.0.0"
@@ -4066,10 +4066,10 @@
     },
     "packages/rollup-plugin": {
       "name": "@mdscript/rollup-plugin",
-      "version": "0.4.2",
+      "version": "0.4.3",
       "license": "MIT",
       "dependencies": {
-        "@mdscript/bundler-utils": "^0.4.2"
+        "@mdscript/bundler-utils": "^0.4.3"
       },
       "devDependencies": {
         "@mdscript/mds": "file:../mds",
@@ -4081,16 +4081,16 @@
         "node": ">=22.0.0"
       },
       "peerDependencies": {
-        "@mdscript/mds": "^0.4.2",
+        "@mdscript/mds": "^0.4.3",
         "rollup": "^3.0.0 || ^4.0.0"
       }
     },
     "packages/rspack-loader": {
       "name": "@mdscript/rspack-loader",
-      "version": "0.4.2",
+      "version": "0.4.3",
       "license": "MIT",
       "dependencies": {
-        "@mdscript/bundler-utils": "^0.4.2"
+        "@mdscript/bundler-utils": "^0.4.3"
       },
       "devDependencies": {
         "@mdscript/mds": "file:../mds",
@@ -4102,7 +4102,7 @@
         "node": ">=22.0.0"
       },
       "peerDependencies": {
-        "@mdscript/mds": "^0.4.2",
+        "@mdscript/mds": "^0.4.3",
         "@rspack/core": "^1.0.0 || ^2.0.0"
       }
     },
@@ -4294,10 +4294,10 @@
     },
     "packages/vite-plugin": {
       "name": "@mdscript/vite-plugin",
-      "version": "0.4.2",
+      "version": "0.4.3",
       "license": "MIT",
       "dependencies": {
-        "@mdscript/bundler-utils": "^0.4.2"
+        "@mdscript/bundler-utils": "^0.4.3"
       },
       "devDependencies": {
         "@mdscript/mds": "file:../mds",
@@ -4310,16 +4310,16 @@
         "node": ">=22.0.0"
       },
       "peerDependencies": {
-        "@mdscript/mds": "^0.4.2",
+        "@mdscript/mds": "^0.4.3",
         "vite": "^5.0.0 || ^6.0.0 || ^7.0.0 || ^8.0.0"
       }
     },
     "packages/webpack-loader": {
       "name": "@mdscript/webpack-loader",
-      "version": "0.4.2",
+      "version": "0.4.3",
       "license": "MIT",
       "dependencies": {
-        "@mdscript/bundler-utils": "^0.4.2"
+        "@mdscript/bundler-utils": "^0.4.3"
       },
       "devDependencies": {
         "@mdscript/mds": "file:../mds",
@@ -4333,7 +4333,7 @@
         "node": ">=22.0.0"
       },
       "peerDependencies": {
-        "@mdscript/mds": "^0.4.2",
+        "@mdscript/mds": "^0.4.3",
         "webpack": "^5.0.0"
       }
     }
diff --git a/packages/bundler-utils/package.json b/packages/bundler-utils/package.json
index e9d9fc72..af763211 100644
--- a/packages/bundler-utils/package.json
+++ b/packages/bundler-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mdscript/bundler-utils",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "Shared utilities for MDS bundler plugins",
   "license": "MIT",
   "repository": {
@@ -47,7 +47,7 @@
     "test": "node --test __test__/*.spec.mjs"
   },
   "peerDependencies": {
-    "@mdscript/mds": "^0.4.2"
+    "@mdscript/mds": "^0.4.3"
   },
   "devDependencies": {
     "@mdscript/mds": "file:../mds",
diff --git a/packages/mds-wasm/package.json b/packages/mds-wasm/package.json
index 4cf2996f..6c83671e 100644
--- a/packages/mds-wasm/package.json
+++ b/packages/mds-wasm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mdscript/mds-wasm",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "WebAssembly build of the MDS (Markdown Script) compiler — used as the portable fallback by @mdscript/mds",
   "license": "MIT",
   "repository": {
diff --git a/packages/mds/package.json b/packages/mds/package.json
index 40a7e91c..0642bc4a 100644
--- a/packages/mds/package.json
+++ b/packages/mds/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mdscript/mds",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "Universal JavaScript/TypeScript bindings for the MDS (Markdown Script) compiler — native addon with WASM fallback",
   "license": "MIT",
   "repository": {
@@ -44,10 +44,10 @@
     "test:perf": "node --test __test__/perf.spec.mjs"
   },
   "dependencies": {
-    "@mdscript/mds-wasm": "^0.4.2"
+    "@mdscript/mds-wasm": "^0.4.3"
   },
   "optionalDependencies": {
-    "@mdscript/mds-napi": "^0.4.2"
+    "@mdscript/mds-napi": "^0.4.3"
   },
   "devDependencies": {
     "@types/node": "^25.9.1",
diff --git a/packages/rollup-plugin/package.json b/packages/rollup-plugin/package.json
index 7ebec1e0..8d94c92f 100644
--- a/packages/rollup-plugin/package.json
+++ b/packages/rollup-plugin/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mdscript/rollup-plugin",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "Rollup plugin for importing MDS templates as ES modules",
   "license": "MIT",
   "repository": {
@@ -37,10 +37,10 @@
     "test": "node --test __test__/*.spec.mjs"
   },
   "dependencies": {
-    "@mdscript/bundler-utils": "^0.4.2"
+    "@mdscript/bundler-utils": "^0.4.3"
   },
   "peerDependencies": {
-    "@mdscript/mds": "^0.4.2",
+    "@mdscript/mds": "^0.4.3",
     "rollup": "^3.0.0 || ^4.0.0"
   },
   "devDependencies": {
diff --git a/packages/rspack-loader/package.json b/packages/rspack-loader/package.json
index a8cc9e2e..88bb98ba 100644
--- a/packages/rspack-loader/package.json
+++ b/packages/rspack-loader/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mdscript/rspack-loader",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "Rspack loader for importing MDS templates as ES modules",
   "license": "MIT",
   "repository": {
@@ -43,10 +43,10 @@
     "test": "node --test __test__/*.spec.mjs"
   },
   "dependencies": {
-    "@mdscript/bundler-utils": "^0.4.2"
+    "@mdscript/bundler-utils": "^0.4.3"
   },
   "peerDependencies": {
-    "@mdscript/mds": "^0.4.2",
+    "@mdscript/mds": "^0.4.3",
     "@rspack/core": "^1.0.0 || ^2.0.0"
   },
   "devDependencies": {
diff --git a/packages/vite-plugin/package.json b/packages/vite-plugin/package.json
index b1a85cce..033d7550 100644
--- a/packages/vite-plugin/package.json
+++ b/packages/vite-plugin/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mdscript/vite-plugin",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "Vite plugin for importing MDS templates as ES modules",
   "license": "MIT",
   "repository": {
@@ -37,10 +37,10 @@
     "test": "node --test __test__/*.spec.mjs"
   },
   "dependencies": {
-    "@mdscript/bundler-utils": "^0.4.2"
+    "@mdscript/bundler-utils": "^0.4.3"
   },
   "peerDependencies": {
-    "@mdscript/mds": "^0.4.2",
+    "@mdscript/mds": "^0.4.3",
     "vite": "^5.0.0 || ^6.0.0 || ^7.0.0 || ^8.0.0"
   },
   "devDependencies": {
diff --git a/packages/webpack-loader/package.json b/packages/webpack-loader/package.json
index e058a8c0..b1d03bda 100644
--- a/packages/webpack-loader/package.json
+++ b/packages/webpack-loader/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mdscript/webpack-loader",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "Webpack loader for importing MDS templates as ES modules",
   "license": "MIT",
   "repository": {
@@ -43,10 +43,10 @@
     "test": "node --test __test__/*.spec.mjs"
   },
   "dependencies": {
-    "@mdscript/bundler-utils": "^0.4.2"
+    "@mdscript/bundler-utils": "^0.4.3"
   },
   "peerDependencies": {
-    "@mdscript/mds": "^0.4.2",
+    "@mdscript/mds": "^0.4.3",
     "webpack": "^5.0.0"
   },
   "devDependencies": {