Hello! I have the preview plugin installed and I noticed that some previews show but others don’t. Previews for tweets especially don’t show at all when I link tweets in my topics. The same thing happens for videos shared form Vimeo. My friend asked a few days ago and was told it’s not an issue wit…

After you make the change, you will need to ‘rebuild html’ on the post with the onebox. Otherwise you will see the cached version of the OneBox. Click the :wrench: under the post to find the ‘rebuild html’ option

Can you please share an example link here on Meta? (I did request that before :wink: ).

Large images from twitter embeds should work. But I think you will need to configure this: (read the section at the bottom of the OP about rich embeds): [画像] Configuring Twitter login and rich embeds for Discourse Integrations bookmark This guide explains how …

Hi Robert, Here is an example: [画像] New Scientist (newscientist) Mindfulness and meditation can worsen depression and anxiety bit.ly/3iFwTi9 https://t.co/Y07AZlJpYi [画像] 9:04 AM - 15 Aug 2020 2.9K 790 …

Forget theTopic List Previews plugin for now. That only impacts the Topic Lists (hence the name) Getting a Onebox in the Topic is in this case a prerequisite. Ae you getting that Onebox in a post on your site?

This is what I get when I post on my forum. It looks different from what I posted here. [screenshot1] Yes, I did follow the steps David linked but it seems like it didn’t have any effect. The topic list previews do work for some sites but not for others such as Twitter. There was also a video tha…

Yeah that thumbnail might be too small to make the cut. I suspect you need the richer version that’s rendered here on Meta.

Yeah that screenshot looks like you don’t have the ‘rich’ twitter onebox working. Are you sure you have twitter_consumer_key and twitter_consumer_secret configured in your site settings?

That’s what I thought so I experimented with the thumbnail size using CSS but it still didn’t work.

CSS won’t help. You need the richer embed that will have access to the higher res thumbnail from Twitter’s servers. For that you will need to be authenticated. If not they consider you a second class citizen and provide you with the cheap knockoff thumbnail.

I followed the steps in the link you sent but I didn’t see any changes.

Twitterのワンボックス画像をトピックサムネイルとして使用

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david (David Taylor) 2020 年 8 月 17 日午前 9:41 3

Twitter埋め込みからの大きな画像は機能するはずです。ただし、これを設定する必要があると思います（リッチ埋め込みに関するOPの下部のセクションをお読みください）：

トピック		返信	表示
How to show post thumbnail on twitter Support	2	856	2021 年 2 月 14 日
Tweet preview is no longer working on my instance Support	12	1347	2022 年 9 月 22 日
Twitter oneboxes are no longer working on my install Support	5	975	2023 年 6 月 3 日
Twitter Onebox preview not working anymore on my discourse Support	2	899	2020 年 6 月 4 日
How to make onebox for Twitter generate large image? Support	3	847	2021 年 11 月 13 日

Twitterのワンボックス画像をトピックサムネイルとして使用

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