diff --git a/Documentation/CHANGES.md b/Documentation/CHANGES.md
index 1f4578de..5d175907 100644
--- a/Documentation/CHANGES.md
+++ b/Documentation/CHANGES.md
@@ -4,6 +4,14 @@ This is a preview release of the v2.4.0 release.
 
 ## New features
 
+<span style="color:blue">Added in rc4</span>
+
+- __[HG]__
+    - Add `multi_recv_copy_threshold` init parameter
+        - Use this new parameter to fallback to memcpy to prevent starvation of multi-recv buffers
+    - Associate handle to HG proc
+        - `hg_proc_get_handle()` can be used to retrieve handle within proc functions
+
 <span style="color:blue">Added in rc3</span>
 
 - __[HG]__
@@ -82,6 +90,17 @@ This is a preview release of the v2.4.0 release.
 
 ## Bug fixes
 
+<span style="color:blue">Added in rc4</span>
+
+- __[HG]__
+    - Fix couple of type changes introduced in rc1 that could have broken ABI
+    - Fix shared-memory path that was previously disabled in conjunction with libfabric transports that use the multi-recv capability
+- __[HG util]__
+    - Fix `dlog_free` not called when parent/child have separate dlogs
+- __[HG/NA]__
+    - Fix init info changes made in previous rcs to prevent ABI breakage 
+    - HG NA init info is fixed to v4.0 for now and duplicates tclass info
+
 <span style="color:blue">Added in rc3</span>
 
 - __[HG]__
diff --git a/version.txt b/version.txt
index ea264c47..ccee2406 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2.4.0rc3
+2.4.0rc4