iOS 15 features, tips and tricks you probably don't know

I certainly learnt quite a bit looking through this but this is the one thing I genuinely didn't know you could do:

3. Edit the Safari start page
   • Enable and re-order the features on the page
   • Choose a default background
   • I also realised that the iCloud Tabs feature has an icon that lets you switch between devices (I thought it wasn't working)