update CHANGELOG

CHANGELOG.md

@@ -5,6 +5,18 @@ 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/).
 
 
+## [d0ea072] - 2023-03-31
+
+Large Lexicon refactor, and updates to streaming event wire schemas. The
+relevant typescript repo pull request, with more details, is
+<https://github.com/bluesky-social/atproto/pull/658>.
+
+
+## [61fc4c0] - 2023-03-10
+
+MST and repo metadata schema refactor, resulting in repo binary format v2.
+
+
 ## [init] - 2023-01-19
 
 Forked this repo from [whyrusleeping/gosky](https://github.com/whyrusleeping/gosky).