<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/1172#discussion_r54961543">config/initializers/assets.rb</a>:</p>
<pre style='color:#555'>> @@ -26,6 +26,4 @@
>  Rails.application.config.assets.precompile += %w( potlatch2/FontLibrary.swf )
>  Rails.application.config.assets.precompile += %w( potlatch2/locales/*.swf )
>  Rails.application.config.assets.precompile += %w( help/introduction.* )
> -Rails.application.config.assets.precompile += %w( iD/img/*.svg iD/img/*.png iD/img/*.gif )
> -Rails.application.config.assets.precompile += %w( iD/img/pattern/*.png )
> -Rails.application.config.assets.precompile += %w( iD/locales/*.json )
</pre>
<p>It's supposed to just precompile everything under in <code>/vendor/assets/iD/</code>  I felt that would be easier than listing every subfolder and wildcarding the files because this new traffico stuff contains a bunch of subfolders.  Some icon fonts, some css, a lot of json files. </p>

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