diff --git a/RELEASE-NOTES.txt b/RELEASE-NOTES.txt
index d5dbfa757a4c..537dd1800532 100644
--- a/RELEASE-NOTES.txt
+++ b/RELEASE-NOTES.txt
@@ -1,6 +1,9 @@
 15.4
 -----
 * [***] The login and signup flows were unified and have a new design.
+* [***] Block Editor: Media editing support in Media & Text block.
+* [***] Block Editor: New block: Social Icons
+* [*] Block Editor: Cover block placeholder is updated to allow users to start the block with a background color
  
 15.3
 -----
diff --git a/libs/gutenberg-mobile b/libs/gutenberg-mobile
index d6c617221923..5d3172c5093d 160000
--- a/libs/gutenberg-mobile
+++ b/libs/gutenberg-mobile
@@ -1 +1 @@
-Subproject commit d6c6172219230043d3b2abea1eea946c4496bb57
+Subproject commit 5d3172c5093dc4307de3385fb02730596da38399