[gimp/gimp-2-10] NEWS: also add info about change of defaults for pixel density.

[Jehan <jehanp src gnome org>]

commit b30be4bc615e32012e594f5493fb4660613ee57d
Author: Jehan <jehan girinstud io>
Date:   Sat Oct 12 17:35:20 2019 +0200

    NEWS: also add info about change of defaults for pixel density.
    
    Such logics change is worth being listed here.

 NEWS | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/NEWS b/NEWS
index 27e92d12fa..3a29bc0354 100644
--- a/NEWS
+++ b/NEWS
@@ -31,6 +31,13 @@ Core:
     the checkerboard.
   - Several features updated to react as expected when run out-of-canvas:
     color-picking, canvas grid, transform tools, bucket fill, and more.
+  - Loaded images' pixel density will now default to 72 PPI when no
+    explicit resolution information was stored in the imported file.
+    Newly created images' default pixel density will continue to be
+    based on the default image template (with value 300 PPI if it has
+    not be changed), yet not loaded images anymore.
+    72 PPI is the common default in most software (and in standards such
+    as Exif) so it makes sense we stick to it, only for loaded images.
 
 Tools: