Your videos may not appear as short videos because the YouTube Shorts video duration, which was previously 1 minute, has changed.
With the new update, your shorts videos must be 3 minutes long.
Eligibility for three-minute Shorts
Videos uploaded after October 15, 2024: Any videos uploaded on or after this date with a square or vertical aspect ratio up to three minutes in length will be categorized as Shorts on YouTube. These videos can be monetized in the Shorts revenue sharing model from the Shorts Feed.
Videos uploaded before October 15, 2024: Any videos uploaded before this date will remain the same, as a long-form video on YouTube. These videos can continue to be monetized in the long-form revenue sharing mode on the Watch Page.
Understand three-minute YouTube Shorts
You can soon start creating YouTube Shorts up to three minutes in length. This gives you more time to tell your stories, showcase your creativity, and captivate your audience.
You can access the official Youtube statement regarding this from the “Understand three-minute YouTube Shorts” link.