From b3cccfaa288440d564e66afbeebd323aeb24a87f Mon Sep 17 00:00:00 2001
From: Shawn Silverman <shawn@pobox.com>
Date: Tue, 8 Sep 2020 23:35:31 -0700
Subject: [PATCH] Update the CHANGELOG with the latest changes

Also adding a mention of keepachangelog.com.
---
 CHANGELOG.md | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b574270..c649122 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,23 @@
 
 This document details the changes between each release.
 
+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).
+
+## [4.1.0-beta]
+
+While the functionality stays the same, this is a major update because of the
+restructured code. Much of the #define-based code was replaced with something
+much more maintainable.
+
+### Added
+* Added Serial8 support for Teensy 4.1.
+* Added a Teensy 4.1 section to platform.ini.
+
+### Changed
+* Replaced much of the #define-based code with something much more maintainable.
+
 ## [4.0.0]
 
 ### Added