As an online video-sharing and social media platform, YouTube has been a pioneer. YouTube’s algorithm is constantly fine-tuned to help users discover the videos they enjoy viewing.

However, the platform is far from perfect, as users have reported issues such as the ‘watch in VR’ option being unavailable for iOS users, the home page displaying a ‘blank screen with no video suggestions,’ and so on.

YouTube adding ‘black triangle’

Some YouTube viewers are currently experiencing a problem where a ‘black triangle’ appears in the bottom right corner of thumbnails for them (1,2,3,4,5,6,7).

YouTube Black issue
Source (Click/tap to view)

Lately, many YouTube users have been expressing their confusion regarding a visual glitch that appears at the bottom right corner of thumbnails and covers the runtime of a video.

This occurs infrequently since sometimes many videos in a sequence are displayed with this glitch, while other times only one of several are displayed with a ‘black triangle’.

This issue appears to have appeared in the last few days and has solely affected Android users.

Yes YouTube, I really love having the video timecode covered up by a black triangle. Not counterintuitive at all 😀
Source

anyone seen this before? black triangle in the corner of the thumbnail somehow covering the time code. what’s that about?
Source

This does not appear to be a thumbnail issue because it occurs at random intervals and can occur for any channel or video.

Although the ‘black triangle’ has no effect on app usability for YouTube users, it is a needless distraction for them.

Hopefully, a patch is released soon that fixes this issue. That said, we’ll keep track of the situation and will post an update if and when there are any further developments regarding the matter.

Note: We have more such stories in our dedicated YouTube section so be sure to follow them as well.

PiunikaWeb started as purely an investigative tech journalism website with main focus on ‘breaking’ or ‘exclusive’ news. In no time, our stories got picked up by the likes of Forbes, Foxnews, Gizmodo, TechCrunch, Engadget, The Verge, Macrumors, and many others. Want to know more about us? Head here.

Karanjot Sidhu
1012 Posts

A computer science engineer who loves tech and won't stop talking about it. Here at Piunikaweb, I mostly cover Google Pixel deals and how-tos, though you may find me covering Pixel news as well sometimes. Apart from being a nerd, i love gaming and watching movies in my free time.

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