๐ย You can only cancel a sent friend request on the website; this feature is not available in the app.
If you have too many pending friend requests and can't send any more, follow these steps to cancel them:
Hover over 'Social' in the left menu, then click 'Friends'
On the 'Friends' page, find the 'Friend Requests' menu on the right side of the screen. Here, you can manage both incoming and outgoing requests
Click on 'Outgoing' to see the requests you've sent
Click the X next to a request to cancel it: