[gegl] NEWS: update

[Øyvind "pippin" Kolås <ok src gnome org>]

commit d93b9cdc5b87f2f7f0357022fb9cf0c0379909b6
Author: Øyvind Kolås <pippin gimp org>
Date:   Sun May 5 15:19:51 2019 +0200

    NEWS: update

 docs/NEWS.txt | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/docs/NEWS.txt b/docs/NEWS.txt
index b6f39cb90..f06d1a294 100644
--- a/docs/NEWS.txt
+++ b/docs/NEWS.txt
@@ -32,9 +32,14 @@ likely when using bindings to dynamic languages.
 Use malloc_trim when compiled with glibc to possibly decrease the resident size
 of progress when buffers are destroyed.
 
+Improved deadlock prevention in gegl_buffer_copy() when using copy on write.
+
 Operations
 ~~~~~~~~~~
 
+Use indirect buffer inputs on main thread during multi-processed processing for
+point-filters/composers and tranform base classes.
+
 Smaller required/invalided ROI for map-absolute/relative when
 using nearest neighbor.