From 8d25ef3c21ce5b6a3084e23159505ef667aef821 Mon Sep 17 00:00:00 2001
From: Tom Henderson <tomh@tomh.org>
Date: Wed, 5 Jul 2023 18:49:04 -0700
Subject: [PATCH] Start RELEASE_NOTES.md and CHANGES.md sections for new
 release

---
 CHANGES.md       | 11 +++++++++++
 RELEASE_NOTES.md |  9 +++++++++
 2 files changed, 20 insertions(+)

diff --git a/CHANGES.md b/CHANGES.md
index a56da96e1..c938c6944 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -13,6 +13,17 @@ Note that users who upgrade the simulator across versions, or who work directly
 
 This file is a best-effort approach to solving this issue; we will do our best but can guarantee that there will be things that fall through the cracks, unfortunately. If you, as a user, can suggest improvements to this file based on your experience, please contribute a patch or drop us a note on ns-developers mailing list.
 
+Changes from ns-3.39 to ns-3-dev
+--------------------------------
+
+### New API
+
+### Changes to existing API
+
+### Changes to build system
+
+### Changed behavior
+
 Changes from ns-3.38 to ns-3.39
 -------------------------------
 
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index e046153aa..70b18f584 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -13,6 +13,15 @@ a [GitLab.com issue tracker](https://gitlab.com/nsnam/ns-3-dev/-/issues) number,
 and references prefixed by '!' refer to a
 [GitLab.com merge request](https://gitlab.com/nsnam/ns-3-dev/-/merge_requests) number.
 
+Release 3-dev
+-------------
+
+### Supported platforms
+
+### New user-visible features
+
+### Bugs fixed
+
 Release 3.39
 ------------