[gimp/gimp-2-10] desktop: prepare release of GIMP 2.10.8.

[Jehan <jehanp src gnome org>]

commit e736532637d5100f5d13eb5207931225fb7648d8
Author: Jehan <jehan girinstud io>
Date:   Thu Sep 27 23:30:14 2018 +0200

    desktop: prepare release of GIMP 2.10.8.
    
    Please everyone, feel free to update the list of upcoming
    changes/features, if you feel some particular change should be more
    prominently exposed in this list (or at the opposite that some change is
    not worth mentionning), or for rewording, etc.
    
    (cherry picked from commit ba53a833b23c2d5f9efff0e82c442a2d020c1cbd)

 desktop/org.gimp.GIMP.appdata.xml.in.in | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
---
diff --git a/desktop/org.gimp.GIMP.appdata.xml.in.in b/desktop/org.gimp.GIMP.appdata.xml.in.in
index 9e002ba8b7..87a31bc847 100644
--- a/desktop/org.gimp.GIMP.appdata.xml.in.in
+++ b/desktop/org.gimp.GIMP.appdata.xml.in.in
@@ -72,6 +72,32 @@
   </provides>
 
   <releases>
+    <release version="2.10.8" date="2018-09-30">
+      <description>
+        <_p>
+          GIMP 2.10.8 is mostly a bug fix and optimization release. In
+          particular, it includes:
+        </_p>
+        <ul>
+          <_li>
+          Adaptative chunk size when rendering projections, improving
+          responsiveness dynamically
+          </_li>
+          <_li>
+          Detection of RawTherapee (version 5.5 and above) improved on
+          Windows
+          </_li>
+          <_li>
+          XCF compatibility information in the Save dialog more
+          understandable and discoverable
+          </_li>
+          <_li>
+          Various performance log tools added and log recording made
+          available in the Dashboard dock
+          </_li>
+        </ul>
+      </description>
+    </release>
     <release version="2.10.6" date="2018-08-19">
       <description>
         <_p>