Did you know?
Apps created with Flutter 3.22 use a new, faster web bootstrap process.
The easiest way to upgrade your existing apps is to delete the web folder and recreate it again with the Flutter CLI.
Note: if you recreate the Flutter web project from scratch, remember to update your
index.html, icons, and manifest files with whatever customizations you had before.
The new bootstrap process is quite customizable.
You can even display a CSS progress indicator before the Flutter app is ready to take over.
This gist shows how to accomplish this:
For all the details about the new app initialization process, read the official docs. 👇
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