The iOS 17.4 public beta update might have removed support for the progressive web apps (PWA), as per a report. The beta 1 update was rolled out in January whereas the beta 2 arrived on February 8, and some users have now highlighted that the web apps are not working.The iOS 17.4 public beta update might have removed support for the progressive web apps (PWA), as per a report. The beta 1 update was rolled out in January whereas the beta 2 arrived on February 8, and some users have now highlighted that the web apps are not working.