Enable 4:2:0 chroma subsampling for JPEG thumbnails

[lhc/web/wiklou.git] / RELEASE-NOTES-1.27

diff --git a/RELEASE-NOTES-1.27 b/RELEASE-NOTES-1.27
index be15bde..9b77cd1 100644 (file)
--- a/RELEASE-NOTES-1.27
+++ b/RELEASE-NOTES-1.27
@@ -190,6 +190,9 @@ HHVM 3.1. Additionally, the following PHP extensions are required:
   is deprecated.
 * (T33313) Add a preference for watching uploads by default, also applies
   to API-based upload tools.
+* $wgJpegPixelFormat was added to override chroma subsampling for JPEG image
+  thumbnails created via ImageMagick. Defaults to 'yuv420', providing bandwidth
+  savings versus the previous behavior on many files.
 
 === External library changes in 1.27 ===