# 主题列表预览（TLP）

**URL:** https://meta.discourse.org/t/topic-list-previews-tlp/209973
**Category:** Theme component
**Created:** [2021年十一月23日 12:25 UTC](https://meta.discourse.org/t/topic-list-previews-tlp/209973 "2021-11-23T12:25:59Z")
**Posts on this page:** 1
**Showing post:** 290

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### Author: ![Jagster](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/jagster/32/192154_2.png) [@Jagster](https://meta.discourse.org/u/Jagster)
#### Post date: [2023年三月14日 11:49 UTC](https://meta.discourse.org/t/topic-list-previews-tlp/209973/290 "2023-03-14T11:49:32Z")

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边车插件和这个实验性设置 `topic list enable thumbnail black border elimination` 正在破坏头像上传。

更详细的案例可以在这里找到：

> [@New avatar is scaling wrongly](https://meta.discourse.org/t/new-avatar-is-scaling-wrongly/257814):
>
> When I’m trying upload new avater on my self-hosted I’m getting all the time warning: we’ve cropped your image; width and height were not equal. And that isn’t true, it is nice square. After that cancel isn’t doing anything and if I want to try another image I have to reload page. But that can be related to download isssue what Meta has now. So I tried to use Gravatar. It works nicely here when I tried here (well, didn’t save but preview was ok): The issue is now this on my forum:

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_[View the full topic](https://meta.discourse.org/t/topic-list-previews-tlp/209973)._