Thanks @KarinaHTV - good to know.   Have just tested this and the original issue still persists with Heroku my side. When removing the setTimeout from the workaround, the build no longer fails but the assets do not get built so anything using UI elem...

Hi @TheodorFreundHT, @techaccounts, Having the same issue on all our Heroku deployments at the moment I found and integrated the same stack overflow solution you did and had this same issue above - effectively, the process exit command fires before ...