I loved project.json but the justification was acceptable in my opinion.<p>There are literally billions of dollars of existing customer software built with CSPROJ files.<p>Moving forward with ONE file type and one set of build tools is the best for the long term ecosystem.<p>Even if it isn&#x27;t the favorite choice.<p>Msbuild is open source, so there&#x27;s nothing preventing a community member from adding json support back in.<p>Oh! I should add that they&#x27;ve committed to keeping &quot;the good bits&quot; of project json withing the .NetCore project files.<p>They&#x27;ll be shorter, they won&#x27;t require you add all existing files for compilation. Some other nice stuff (I hope NPM and SCRIPTS stays for example!)<p>Anyways, sad to lose it but in the end I think most people &quot;get it&quot;