Since 3.2.0.beta3 update, Discourse does not show the video preview image. It shows black screen instead. Well, you can see that in the official 3.2.0.beta3 announcement: 3.2.0.beta3: Chat grace period, category dark mode, site settings UI improvements, and more : [Screenshot 2023-11-13 at 11.27.…

This was raised recently in this support topic: [image] Video thumbnails not generated for uploaded videos in Discourse forum support Does Discourse automatically generate video thumbnails for uploaded videos? By default, Discourse does not automatically generate video t…

Video previews no longer show up since 3.2.0.beta3

Support

JammyDodger November 13, 2023, 12:03pm 2

This was raised recently in this support topic:

I think it’s a change from this PR:

2 Likes

Topic		Replies	Views
Video thumbnails not generated for uploaded videos in Discourse forum Support	6	599	December 13, 2023
Youtube image preview do not show Support	10	73	September 16, 2025
3.3.0.beta3: Video thumbnails, Site setting confirmation, Faster access to plugin settings, and more Announcements release-notes	1	948	July 3, 2024
Topic thumbnails broken when topic includes uploaded video Bug	6	474	May 2, 2023
Discourse generating tons of images as topic thumbnails? Support	5	991	July 5, 2020

Video previews no longer show up since 3.2.0.beta3

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