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We changed the blending of UI textures to be gamma correct. As result alpha transitions in UI textures (e.g. accessory icons, custom loading screens) or alpha values specified in UI screen definitions did change. When creating transparent textures, you should configure your graphics editor to use Gamma value of 1.0 to get the composition to behave as in the game.
While there is no fully automated way to modify the textures to get exactly the same result as before, the [http://download.eurotrucksimulator2.com/tga_adjust_for_gamma_1.zip attached Perl script] can be used to adjust alpha channel to keep the appearance similar based on assumption that the blend is done over middle-gray background based on following expression.:
<pre>
