release: v0.4.0

Author: Diogo Andre Passagem Santos

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.0] - 2026-03-14
+
 ### Added
 - Sliding-window rate limiting in `DefaultPolicyEngine` per `(principal_id, capability_id)` pair (#39).
   Default limits by safety class: 60 READ / 10 WRITE / 2 DESTRUCTIVE per 60s window.

RELEASE.md

@@ -16,7 +16,7 @@ Update the `version` field in `pyproject.toml`:
 
 ```toml
 [project]
-version = "0.3.0"
+version = "0.4.0"
 ```
 
 ### 2. Update the changelog
@@ -25,7 +25,7 @@ Add a new section to `CHANGELOG.md` under `## [Unreleased]`, then rename it
 to the new version with today's date:
 
 ```markdown
-## [0.3.0] - 2026-04-01
+## [0.4.0] - 2026-03-14
 
 ### Added
 - ...
@@ -42,8 +42,8 @@ to the new version with today's date:
 
 ```bash
 git add pyproject.toml CHANGELOG.md
-git commit -m "release: v0.3.0"
-git tag v0.3.0
+git commit -m "release: v0.4.0"
+git tag v0.4.0
 git push origin main --tags
 ```
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "weaver-kernel"
-version = "0.3.0"
+version = "0.4.0"
 description = "Capability-based security kernel for AI agents operating in large tool ecosystems"
 readme = "README.md"
 license = { file = "LICENSE" }

src/agent_kernel/__init__.py

@@ -78,7 +78,7 @@
 from .tokens import CapabilityToken, HMACTokenProvider
 from .trace import TraceStore
 
-__version__ = "0.1.0"
+__version__ = "0.4.0"
 
 __all__ = [
     # version