When writing an article for PWA iOS 15 last year, we share some evidence about how web push notifications may be coming and guess what’s, it finally happens. As a result, you can apply the theme-color right on the page load, which makes the PWAs more trustable. For iOS 15.4, the file is now parsed and loaded when the page loads already. Moreover, in previous versions, the Web App Manifest is only fetched when users choose to “ Add to Homescreen”. Transparent icons will have an either black or white background.Icons do not show up when you open the share sheet, but they eventually appear when you choose to Add to Homescreen.Icons are automatically resized if they do not match iOS’ pre-defined sizes (Ipads – 152 x 152 & 167 x 167, iPhones – 120×120 & 180 x180).Icons’ shape and format are limited to square PNG only.There are still some minor bugs that affect the experience for both users and developers such as: If there is no apple-touch-icon defined in the Web App file, the Web App Manifest icon will be set by default. Good news! After a life-long waiting, PWA developers can finally implement the web app on iOS 15.4 with a proper icon. The navigational preload prompts the network requests during the service worker’s booting time, which should help with PWA performance. In some cases, the service worker booting up can increase the network’s response time. The iOS 15.4 rolls out some new improvements for the Service Workers including the navigation preload and more support for Service Worker-generated files. All Improvements for PWA Navigational preload for Service Worker However, is there anything that can make the life of a PWA developer easier? We will explore all of the biggest changes, the letdowns, along with some interesting news in this article. New App Clip – Another noticeable updateĪpple claims that iOS 15 provides a better way to stay connected, focus, explore with its significant list of new features.Support for ES6 module in Service Worker.WebM audio support for Safari, WebM/VP9 support for Ipad.Enhanced WebGL (Web Graphic Library) and Web-Share API.Improved Web App Manifest: Icons & more.
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