Hi, for a few days now, Youtube embedded videos do not show as image preview neither in the composer nor on my home page, which uses the Topics lists plugin.

Victory ! That solution worked: After playing around for a bit, I disabled the “Block onebox on redirect” setting, which fixed the issue for youtu.be links, although I need to rebuilt HTML on old posts.

YouTubeのサムネイルが表示されない

サポート

patrickemin (Patrick EMIN) 2025 年 9 月 15 日午後 11:57 10

My issue seems very similar to that one: Youtube issues after update

トピック		返信	表示
YouTube embeds appearing way too small Support	16	147	2024 年 8 月 3 日
No YouTube preview available Support	6	946	2021 年 4 月 9 日
Video previews no longer show up since 3.2.0.beta3 Support	3	358	2023 年 12 月 13 日
Youtube links don't show preview anymore Support	4	1908	2024 年 11 月 8 日
Displaying (YT) content based on user role Support unsupported-install	6	90	2025 年 9 月 22 日

YouTubeのサムネイルが表示されない

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