[gimp-web/testing] 2.10.14: more info on alpha + video of pippin's talk

[Alexandre Prokoudine <aprokoudine src gnome org>]

commit 062962238d93df3398f86958a2474b83152c5823
Author: Alexandre Prokoudine <alexandre prokoudine gmail com>
Date:   Mon Oct 28 13:01:45 2019 +0000

    2.10.14: more info on alpha + video of pippin's talk

 content/news/2019-10_GIMP-2.10.14_Released/index.md | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)
---
diff --git a/content/news/2019-10_GIMP-2.10.14_Released/index.md 
b/content/news/2019-10_GIMP-2.10.14_Released/index.md
index 240609ce..0d4a1307 100644
--- a/content/news/2019-10_GIMP-2.10.14_Released/index.md
+++ b/content/news/2019-10_GIMP-2.10.14_Released/index.md
@@ -193,12 +193,26 @@ content into collections. See the updated
 [NEWS](https://gitlab.gnome.org/GNOME/gegl/blob/master/docs/NEWS.txt) file
 for more details.
 
-As for babl, it now supports Yu'v' (CIE 1976 UCS) color model, has more fully
-symmetric conversions between associated and non-associated alpha, handles
+As for babl, it now supports Yu'v' (CIE 1976 UCS) color model, handles
 grayscale ICC color profiles, and uses AVX2 acceleration for some
 linear-to-float conversions.
 
-Øyvind Kolås iterated on new conversions in babl that cover grayscale
+Alpha handling in babl has been slightly revamped. The library is now using the
+terms 'associated alpha' and 'separate alpha', all of nonpremultiplied-,
+premultiplied- and nonassociated- alpha are now considered deprecated API.
+Conversions between associated and separate alpha have been dramatically
+improved.
+
+Here is a lightning talk at CCC where Øyvind Kolås investigates the data loss
+incurred by going `separate alpha -> associated -> separate` or
+`associated -> separate -> associated` and discovers that the special cased
+transparent/emissive cases end up lossless:
+
+<div class='fluid-video'>
+<iframe width="560" height="315" src="https://www.youtube.com/embed/5F39sWoICqo?start=3140"; frameborder="0" 
allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
+</div>
+
+Øyvind Kolås also iterated on new conversions in babl that cover grayscale
 in all precisions supported by GIMP for some things, this means that working
 in grayscale is an order of magnitude faster than it was before the last babl 
 release.