diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 4d1afff361..772ad86ca0 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -5,11 +5,15 @@ A new header is inserted each time a *tag* is created.
 
 ## Next release (main branch)
 
+## v1.9.13
+
 ## v1.9.12
 
-- Fixed GL errors seen with MSAA on WebGL.
+- engine: Fixed GL errors seen with MSAA on WebGL.
   Warning: this can affect multisampling behavior on devices that do not support OpenGL ES 3.1
-- Added new `getVertexIndex()` API for vertex shaders.
+- materials: Added new `getVertexIndex()` API for vertex shaders.
+- samples: RenderTarget demo now disables post-processing in offscreen view and creates depth attachment.
+- gltfio: Fix, animation jolt when time delta is very small.
 
 ## v1.9.11