diff --git a/master_changes.md b/master_changes.md
index 82319b5db6b..f379fb13aa3 100644
--- a/master_changes.md
+++ b/master_changes.md
@@ -49,6 +49,9 @@ users)
 ## Option
   *
 
+## Source
+  * download source even is no switch is set [#XXXX @rjbou @zapashcanon]
+
 ## Lint
   * W68: add warning for missing license field [#4766 @kit-ty-kate - partial fix #4598]
   * W62: use the spdx_licenses library to check for valid licenses. This allows to use compound expressions such as "MIT AND (GPL-2.0-only OR LGPL-2.0-only)", as well as user defined licenses e.g. "LicenseRef-my-custom-license" [#4768 @kit-ty-kate - fixes #4598]
@@ -162,6 +165,7 @@ users)
 
 # API updates
 ## opam-client
+  * OpamAction: `prepare_package_source` takes an unlocked switch state
 ## opam-repository
 ## opam-state
 ## opam-solver