Update changelog

Author: daxpedda

CHANGELOG.md

@@ -4,14 +4,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [1.0.0-rc.3] - 2022-02-20
+## [1.0.0-rc.3] - 2022-03-21
 ### Fixed
 - Support attribute evaluation, e.g. `#[cfg(..)]` on fields.
 
 ### Changed
 - **Breaking Change**: Upgraded MSRV to Rust 1.57.
-- **Breaking Change**: Upgraded to Rust edition 2021.
-
+- Upgraded to Rust edition 2021.
+- **Breaking Change**: To prevent breaking invariants, skip groups were
+  introduced: `Debug`, `EqHashOrd`, `Hash` and `Zeroize`.
 
 ## [1.0.0-rc.2] - 2022-01-25
 ### Added