Release v0.4.0

Bump crate versions to 0.4.0 to align with changelog history.
Move Unreleased changelog items under 0.4.0 heading.

Author: gvonness-apolitical

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.0] - 2026-02-16
+
 ### Added
 
 #### Unified Anchor System
@@ -243,7 +245,8 @@ Initial release implementing Codex Document Format Specification v0.1.
 - `sign_document` - Sign a document with ES256
 - `extract_content` - Extract text content from blocks
 
-[Unreleased]: https://github.com/Entrolution/cdx-core/compare/v0.3.0...HEAD
+[Unreleased]: https://github.com/Entrolution/cdx-core/compare/v0.4.0...HEAD
+[0.4.0]: https://github.com/Entrolution/cdx-core/compare/v0.3.0...v0.4.0
 [0.3.0]: https://github.com/Entrolution/cdx-core/compare/v0.2.0...v0.3.0
 [0.2.0]: https://github.com/Entrolution/cdx-core/compare/v0.1.0...v0.2.0
 [0.1.0]: https://github.com/Entrolution/cdx-core/releases/tag/v0.1.0

Cargo.toml

@@ -17,4 +17,4 @@ thiserror = "2.0"
 chrono = { version = "0.4", features = ["serde", "now"], default-features = false }
 
 # Internal crates
-cdx-core = { path = "cdx-core", version = "0.1.0" }
+cdx-core = { path = "cdx-core", version = "0.4.0" }

README.md

@@ -42,7 +42,7 @@ Add to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-cdx-core = "0.3"
+cdx-core = "0.4"
 ```
 
 ### Feature Flags

cdx-cli/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cdx-cli"
-version = "0.1.0"
+version = "0.4.0"
 edition.workspace = true
 rust-version.workspace = true
 license.workspace = true

cdx-core/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cdx-core"
-version = "0.1.0"
+version = "0.4.0"
 edition.workspace = true
 rust-version.workspace = true
 license.workspace = true