diff --git a/CHANGES.rst b/CHANGES.rst
index 25f1d830feb..882ef38917e 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -5,6 +5,12 @@ Changelog (Pillow)
 6.1.0 (unreleased)
 ------------------
 
+- Deprecate Image.__del__ #3929
+  [jdufresne]
+
+- Respect the PKG_CONFIG environment variable when building #3928
+  [chewi]
+
 - Improve encoding of TIFF tags #3861
   [olt]
 
diff --git a/docs/releasenotes/6.1.0.rst b/docs/releasenotes/6.1.0.rst
index edc59a654b8..66b805253b5 100644
--- a/docs/releasenotes/6.1.0.rst
+++ b/docs/releasenotes/6.1.0.rst
@@ -61,8 +61,14 @@ GeoTIFF format which encodes geospatial information.
   must be passed as a tuple.
 * Add support for signed types eg. ``TIFFTypes.TIFF_SIGNED_SHORT``.
 
-Top To Bottom Complex Text Rendering
+Respect PKG_CONFIG environment variable when building
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+This variable is commonly used by other build systems and using it can help with
+cross-compiling. Falls back to ``pkg-config`` as before.
+
+Top-to-bottom complex text rendering
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Drawing text in the 'ttb' direction with ImageFont has been significantly improved
+Drawing text in the 'ttb' direction with ``ImageFont`` has been significantly improved
 and requires Raqm 0.7 or greater.