diff --git a/YUViewLib/src/video/PixelFormatYUV.h b/YUViewLib/src/video/PixelFormatYUV.h
index 5063c8c53..052cd28b4 100644
--- a/YUViewLib/src/video/PixelFormatYUV.h
+++ b/YUViewLib/src/video/PixelFormatYUV.h
@@ -50,6 +50,15 @@ enum class Component
   Chroma = 1
 };
 
+/*
+kr/kg/kb matrix (Rec. ITU-T H.264 03/2010, p. 379):
+R = Y                  + V*(1-Kr)
+G = Y - U*(1-Kb)*Kb/Kg - V*(1-Kr)*Kr/Kg
+B = Y + U*(1-Kb)
+To respect value range of Y in [16:235] and U/V in [16:240], the matrix entries need to be scaled
+by 255/219 for Y and 255/112 for U/V In this software color conversion is performed with 16bit
+precision. Thus, further scaling with 2^16 is performed to get all factors as integers.
+*/
 enum class ColorConversion
 {
   BT709_LimitedRange,
diff --git a/deployment/deploy.nsi b/deployment/deploy.nsi
index b1c2caa04..f998cbef8 100644
--- a/deployment/deploy.nsi
+++ b/deployment/deploy.nsi
@@ -2,7 +2,7 @@
 
 ; HM NIS Edit Wizard helper defines
 !define PRODUCT_NAME "YUView"
-!define PRODUCT_VERSION "2.11"
+!define PRODUCT_VERSION "2.12"
 !define PRODUCT_PUBLISHER "Institut für Nachrichtentechnik"
 !define PRODUCT_WEB_SITE "http://www.ient.rwth-aachen.de"
 !define PRODUCT_DIR_REGKEY "Software\Microsoft\Windows\CurrentVersion\App Paths\YUView.exe"
diff --git a/deployment/wix/YUView.wxs b/deployment/wix/YUView.wxs
index 8b3720da9..1181c36b9 100644
--- a/deployment/wix/YUView.wxs
+++ b/deployment/wix/YUView.wxs
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
-  <Product Id="*" Name="YUView" Language="1033" Version="2.11" Manufacturer="IENT RWTH Aachen University" UpgradeCode="07fd1dd5-9b1e-453d-974b-4ff7919a49c7">
+  <Product Id="*" Name="YUView" Language="1033" Version="2.12" Manufacturer="IENT RWTH Aachen University" UpgradeCode="07fd1dd5-9b1e-453d-974b-4ff7919a49c7">
     <Package InstallerVersion="301" Compressed="yes" Platform="x64" InstallScope="perMachine" />
 
     <MajorUpgrade DowngradeErrorMessage="A newer version of [ProductName] is already installed." />
diff --git a/packaging/linux/de.rwth_aachen.ient.YUView.appdata.xml b/packaging/linux/de.rwth_aachen.ient.YUView.appdata.xml
index 6914b705d..3cbd08925 100644
--- a/packaging/linux/de.rwth_aachen.ient.YUView.appdata.xml
+++ b/packaging/linux/de.rwth_aachen.ient.YUView.appdata.xml
@@ -41,6 +41,6 @@
     <content_attribute id="money-gambling">none</content_attribute>
   </content_rating>
   <releases>
-    <release version="2.11" date="2019-01-12"></release>
+    <release version="2.12" date="2019-01-12"></release>
   </releases>
 </component>
diff --git a/snapcraft.yaml b/snapcraft.yaml
index f3cf81755..8d7376234 100644
--- a/snapcraft.yaml
+++ b/snapcraft.yaml
@@ -1,5 +1,5 @@
 name: yuview
-version: 2.11
+version: 2.12
 summary: YUView
 description: YUView - The free cross platform YUV viewer and video analysis tool