diff --git a/autobuild.xml b/autobuild.xml
index 62542be8d8e44bd99c918260aca779174b68d6ea..d95e2952d0c96e1aa66af76324b7d50c859d90a4 100644
--- a/autobuild.xml
+++ b/autobuild.xml
@@ -1700,9 +1700,9 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>d1521becaf21bf7233173722af63f57d</string>
+              <string>c90551bee423e9b494a46f29403f7f4a</string>
               <key>url</key>
-              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/ct2/15257/98440/kdu-7.10.4.513518-darwin64-513518.tar.bz2</string>
+              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/ct2/34357/286135/kdu-7.10.7.525514-darwin64-525514.tar.bz2</string>
             </map>
             <key>name</key>
             <string>darwin64</string>
@@ -1712,9 +1712,9 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>43d7a6a69a54534a736f132e9c81795b</string>
+              <string>4fcb1fa70d8317f69284be3830df3a29</string>
               <key>url</key>
-              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/ct2/15255/98451/kdu-7.10.4.513518-linux-513518.tar.bz2</string>
+              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/ct2/34358/286148/kdu-7.10.7.525514-linux-525514.tar.bz2</string>
             </map>
             <key>name</key>
             <string>linux</string>
@@ -1724,9 +1724,9 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>a705a665810a71e7b0114a97ae9a2224</string>
+              <string>09cd4cdd385448b9c55fad2ced7685e2</string>
               <key>url</key>
-              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/ct2/15256/98457/kdu-7.10.4.513518-linux64-513518.tar.bz2</string>
+              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/ct2/34356/286142/kdu-7.10.7.525514-linux64-525514.tar.bz2</string>
             </map>
             <key>name</key>
             <string>linux64</string>
@@ -1736,9 +1736,9 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>0e5b37a03a3f873d15142473b193ec5f</string>
+              <string>4da8daa8c254be1eb2e4a942e42cd61c</string>
               <key>url</key>
-              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/ct2/15259/98463/kdu-7.10.4.513518-windows-513518.tar.bz2</string>
+              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/ct2/34360/286161/kdu-7.10.7.525514-windows-525514.tar.bz2</string>
             </map>
             <key>name</key>
             <string>windows</string>
@@ -1748,16 +1748,16 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>da3b1ea90797b189d80ab5d50fdf05d4</string>
+              <string>eea37ff2c006dc9542bbaa1bb6799417</string>
               <key>url</key>
-              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/ct2/15260/98469/kdu-7.10.4.513518-windows64-513518.tar.bz2</string>
+              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/ct2/34359/286155/kdu-7.10.7.525514-windows64-525514.tar.bz2</string>
             </map>
             <key>name</key>
             <string>windows64</string>
           </map>
         </map>
         <key>version</key>
-        <string>7.A.4.513518</string>
+        <string>7.A.7.525512</string>
       </map>
       <key>libhunspell</key>
       <map>
@@ -2670,7 +2670,7 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string>
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>f7013e1f0b6a877090622fd73ec72cbc</string>
+              <string>2cbec24a9c0a6f63fb7de8714d844dc2</string>
               <key>url</key>
               <string>http://automated-builds-secondlife-com.s3.amazonaws.com/ct2/1114/2576/openjpeg-1.5.1.501102-darwin64-501102.tar.bz2</string>
             </map>
diff --git a/doc/contributions.txt b/doc/contributions.txt
index a09b6aff43c649fe7ae1f82f7af83e7a8ddd9305..91d53995de799603796d15b537180e7859240490 100755
--- a/doc/contributions.txt
+++ b/doc/contributions.txt
@@ -481,6 +481,9 @@ Geenz Spad
 	STORM-1900
 	STORM-1905
 	NORSPEC-229
+        SL-10842
+        SL-10843
+        SL-10844
 Gene Frostbite
 GeneJ Composer
 Geneko Nemeth
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
index 14af657e67ee8fe4efa45919c71593cdc1986013..7bfdb9f75312229131f1da28c617e4f9e7a2b27a 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
@@ -46,6 +46,7 @@ uniform mat3 ssao_effect_mat;
 uniform int no_atmo;
 uniform float sun_moon_glow_factor;
 
+vec3 srgb_to_linear(vec3 c);
 vec3 scaleSoftClipFrag(vec3 light);
 
 vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten)
@@ -151,7 +152,7 @@ void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit,
           + tmpAmbient));
 
     //brightness of surface both sunlight and ambient
-    sunlit = vec3(sunlight * .5);
+    sunlit = srgb_to_linear(sunlight.rgb);
     amblit = vec3(tmpAmbient * .25);
     additive  = normalize(additive);
     additive *= vec3(1.0 - exp(-temp2.z * distance_multiplier)) * 0.5;