diff --git a/changelog/v3.20.0.md b/changelog/v3.20.0.md
index 9c5b7bf452..baea8ae228 100644
--- a/changelog/v3.20.0.md
+++ b/changelog/v3.20.0.md
@@ -10,6 +10,8 @@ On the subject of view transitions, scrolling with a trackpad or magic mouse now
 
 On the rendering front, the Canvas renderer got another overhaul.  This release brings back the strategy of rendering to a dedicated Canvas element per layer.  If you were experiencing issues with gaps between tiles on rotated views or when zooming, this change should bring rendering improvements.
 
+Also on the rendering front, @GaborFarkas completed a nearly 5 month effort to bring line and polygon support to the WebGL renderer.  If you're interested in experimenting with WebGL for vector rendering, use `renderer: 'webgl'` in your map constructor.
+
 See the full list of changes below.  There are some other gems down there.
 
 ## Upgrade notes