diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e7c2e01..5fd9810b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,10 +14,12 @@ New release of Oragono!
 ### Added
 
 ### Changed
+* Message IDs are now much shorter and easier to read – down from 39 characters to 16 while preserving a very similar gaurantee of uniqueness (thanks [@prawnsalad](https://github.com/prawnsalad) for bringing up this issue).
 
 ### Removed
 
 ### Fixed
+* We now correctly suspend registration when receiving a `CAP REQ`, as per [the spec](https://ircv3.net/specs/core/capability-negotiation-3.1.html).
 
 
 ## [0.10.3] - 2017-12-26