Prepare for 0.4.0 release

Cargo.toml

@@ -15,7 +15,7 @@ exclude = [
 resolver = "2"
 
 [workspace.package]
-version = "0.3.0"
+version = "0.4.0"
 edition = "2024"
 rust-version = "1.89"
 license = "Apache-2.0"

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "hyperlight-sandbox-dev"
-version = "0.3.0"
+version = "0.4.0"
 requires-python = ">=3.10"
 
 [tool.uv]

src/nanvix_sandbox/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "hyperlight-nanvix-sandbox"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 license = "Apache-2.0"
 description = "Nanvix microkernel sandbox backend for hyperlight-sandbox"

src/sdk/dotnet/Directory.Build.props

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <Version>0.3.0</Version>
+    <Version>0.4.0</Version>
     <Authors>Hyperlight developers</Authors>
     <Company>hyperlight-dev</Company>
     <Copyright>Copyright © Microsoft 2026</Copyright>

src/sdk/python/core/pyproject.toml

@@ -4,13 +4,13 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "hyperlight-sandbox"
-version = "0.3.0"
+version = "0.4.0"
 description = "Python API for running code in isolated Hyperlight sandboxes with swappable backends"
 readme = "README.md"
 license = "Apache-2.0"
 requires-python = ">=3.10"
 dependencies = []
-optional-dependencies = { wasm = ["hyperlight-sandbox-backend-wasm>=0.3.0"], hyperlight_js = ["hyperlight-sandbox-backend-hyperlight-js>=0.3.0"], python_guest = ["hyperlight-sandbox-python-guest>=0.3.0"], javascript_guest = ["hyperlight-sandbox-javascript-guest>=0.3.0"], dev = ["atheris>=2.3.0"] }
+optional-dependencies = { wasm = ["hyperlight-sandbox-backend-wasm>=0.4.0"], hyperlight_js = ["hyperlight-sandbox-backend-hyperlight-js>=0.4.0"], python_guest = ["hyperlight-sandbox-python-guest>=0.4.0"], javascript_guest = ["hyperlight-sandbox-javascript-guest>=0.4.0"], dev = ["atheris>=2.3.0"] }
 classifiers = [
     "Development Status :: 3 - Alpha",
     "Intended Audience :: Developers",

src/sdk/python/hyperlight_js_backend/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "hyperlight-sandbox-backend-hyperlight-js"
-version = "0.3.0"
+version = "0.4.0"
 description = "HyperlightJS backend implementation for hyperlight-sandbox"
 readme = "README.md"
 license = "Apache-2.0"

src/sdk/python/wasm_backend/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "hyperlight-sandbox-backend-wasm"
-version = "0.3.0"
+version = "0.4.0"
 description = "Wasm backend implementation for hyperlight-sandbox"
 readme = "README.md"
 license = "Apache-2.0"

src/sdk/python/wasm_guests/javascript_guest/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "hyperlight-sandbox-javascript-guest"
-version = "0.3.0"
+version = "0.4.0"
 description = "Packaged Hyperlight Wasm JavaScript guest exposed as javascript_guest.path"
 readme = "README.md"
 license = "Apache-2.0"

src/sdk/python/wasm_guests/python_guest/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "hyperlight-sandbox-python-guest"
-version = "0.3.0"
+version = "0.4.0"
 description = "Packaged Hyperlight Wasm Python guest exposed as python_guest.path"
 readme = "README.md"
 license = "Apache-2.0"

src/wasm_sandbox/guests/javascript/package.json

@@ -1,6 +1,6 @@
 {
   "name": "hyperlight-sandbox-js-guest",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "private": true,
   "type": "module",
   "scripts": {