Release v1.22.0

Author: zarubaf

CHANGELOG.md

@@ -5,14 +5,13 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## Unreleased
-### Changed
-- `registers.svh`: Merge explicit and implicit register variants into `` `FF `` and `` `FFL `` macros
 
 ## 1.22.0 - 2021-06-09
 ### Added
 - Add `spill_register_flushable`
 
 ### Changed
+- `registers.svh`: Merge explicit and implicit register variants into `` `FF `` and `` `FFL `` macros
 - `rr_arb_tree`: Allow flushing locked decision
 - Improved `verific` compatibility