diff --git a/changelog.txt b/changelog.txt
index 89197f6e0..1682e9cdc 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,8 @@
+0.6.3:
+Technical/API
+ - Light updates are now processed in parallel.
+ - The light updater is now more selective of the levels it processes, fixing a memory leak.
+
 0.6.2:
 Update to 1.18.2