Youtube embed video start and end problem

Question

Youtube has a feature when you can embed a video and mark start and end time with it. It displays a frame on the seek bar and video starts from the starting mark and ends at the ending mark.

It stopped working a few weeks ago.

https://www.youtube.com/embed/h_8smKNoAAw?start=2285&end=2515

Here is a url that I am sure was working before.

Now it starts from point marked in the url, but it does not end at the ending mark.

Answer 1

It just worked well for me.

I added the autoplay=1 parameter in the URL you provided and the video actually starts and ends at the indicated positions.

Here is the modified URL:

https://www.youtube.com/embed/h_8smKNoAAw?start=2285&end=2515&autoplay=1