Date in changelog.

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 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).
 
-## Unreleased
+## [2.1.4] - 2024-01-11
 ### Added
  - Optionally launch `chia-exporter` [metrics endpoint](https://github.com/Chia-Network/chia-exporter) for Prometheus reporting if env var `chia_exporter=true` is set.
  - Support for running Gigahorse containers on arm64 architectures such as Raspberry Pi.