[gimp-web/testing] Mention changes in babl

[Alexandre Prokoudine <aprokoudine src gnome org>]

commit 6cb79d2c8bfa47cde5677451212326bb3d1b26e5
Author: Alexandre Prokoudine <alexandre prokoudine gmail com>
Date:   Sun Jan 15 18:19:24 2017 +0300

    Mention changes in babl

 content/news/2017-01-15 2016 in Review.md |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/content/news/2017-01-15 2016 in Review.md b/content/news/2017-01-15 2016 in Review.md
index feea901..611082c 100644
--- a/content/news/2017-01-15 2016 in Review.md 
+++ b/content/news/2017-01-15 2016 in Review.md 
@@ -81,6 +81,8 @@ GEGL and babl got their fair share of development focus. We only added a handful
 
 One interesting change, though, is the new ''gegl_operation_progress'' function to report processing 
progress. It's useful for reporting processing progress to a GEGL-based editor such as GIMP. For now, we use 
it in ''cartoon'' and ''distance-transform'' operations, but expect to use it in many more ops.
 
+For babl, most changes were about improving performance (creating fast pixel data conversion paths and 
caching them) and fixing bugs.
+
 ## What's Next for GIMP
 
 There are still many bugs to fix before we can release 2.10. In the mean time, we are planning to hold a 
week long developers meet-up in Barcelona at end of January. One of the topics will be cleaning up libgimp to 
get it into the releasable state for 2.10. We shall soon announce the full agenda for the Wilberweek.