[gimp] desktop, NEWS: release date and NEWS updated.

[Jehan Pagès <jehanp src gnome org>]

commit bd86c5f6035e1f5252a87e54fd00ab667c48b44c
Author: Jehan <jehan girinstud io>
Date:   Thu Apr 26 00:50:44 2018 +0200

    desktop, NEWS: release date and NEWS updated.

 NEWS                                    |   16 ++++++++++++++--
 desktop/org.gimp.GIMP.appdata.xml.in.in |    2 +-
 2 files changed, 15 insertions(+), 3 deletions(-)
---
diff --git a/NEWS b/NEWS
index bd0be9f..b67ecbc 100644
--- a/NEWS
+++ b/NEWS
@@ -10,13 +10,24 @@ Generally, all bug fixes that are applied on the stable GIMP 2.8
 branch are also applied here, but they are usually not mentioned
 in NEWS.
 
-Overview of Changes from GIMP 2.10.0 RC1 to GIMP 2.10.0 RC3
-===========================================================
+Overview of Changes from GIMP 2.10.0 RC1 to GIMP 2.10.0
+=======================================================
 
 Core:
 
   - CLI option --show-playground visible in --help.
   - Sample point dockable now works with more than 4 sample points.
+  - Various warnings removed, multi-threading officially not
+    "experimental" anymore…
+  - Various fill and fade operations now use the current paint composite
+    mode, allowing for instance filling to paint over transparent areas.
+  - Default layer and paint modes are now Normal (instead of Legacy).
+  - Layer mode from opened image now remembered.
+
+Plug-ins:
+
+  - Ripple plugin removed, compat PDB-API "plug-in-ripple" added
+    instead.
 
 PDB:
 
@@ -27,6 +38,7 @@ Assets / Resources:
 
   - New "Fun" category for brushes (moving the "Pepper" there, which
     also gets improved resolution), and adding Wilber and GEGL brushes.
+  - "Structure" brush obsoleted.
   - 5 new and more serious brushes.
 
 Translations:
diff --git a/desktop/org.gimp.GIMP.appdata.xml.in.in b/desktop/org.gimp.GIMP.appdata.xml.in.in
index c94fb98..f35d8ad 100644
--- a/desktop/org.gimp.GIMP.appdata.xml.in.in
+++ b/desktop/org.gimp.GIMP.appdata.xml.in.in
@@ -72,7 +72,7 @@
   </provides>
 
   <releases>
-    <release version="2.10.0" date="2018-04-25">
+    <release version="2.10.0" date="2018-04-26">
       <description>
         <_p>
           First release of the 2.10 series which prominently features