diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 8e8077b79..5d034b223 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -24,10 +24,17 @@ Major:
 - Drop FFmpeg 6.
 - Remove ``AVError`` alias (use ``FFmpegError`` directly instead).
 - Remove the `template` arg from ``OutputContainer.add_stream()``.
+- Remove ``CodecContext.close()`` because it's deprecated in ffmpeg.
 
 Features:
 
 - Add ``OutputContainer.add_stream_from_template()`` by :gh-user:`WyattBlue` and :gh-user:`cdce8p`.
+- Add ``qmin`` and ``qmax`` parameters to the ``VideoCodecContext`` by :gh-user:`davidplowman` in (:pr:`1618`).
+
+Fixes:
+
+- Correct ``Colorspace``'s lowercase enums.
+- Ensure streams in StreamContainer are released. Fixes :issue:`1599`.
 
 v13.1.0
 -------
diff --git a/av/video/reformatter.pyx b/av/video/reformatter.pyx
index 7e2b4c022..4511d08af 100644
--- a/av/video/reformatter.pyx
+++ b/av/video/reformatter.pyx
@@ -33,7 +33,7 @@ class Colorspace(IntEnum):
     itu709 = lib.SWS_CS_ITU709
     fcc = lib.SWS_CS_FCC
     itu601 = lib.SWS_CS_ITU601
-    itu624 = lib.SWS_CS_SMPTE170M
+    itu624 = lib.SWS_CS_ITU624
     smpte170m = lib.SWS_CS_SMPTE170M
     smpte240m = lib.SWS_CS_SMPTE240M
     default = lib.SWS_CS_DEFAULT