# Discourse 2.5.0.beta4 发布说明

**URL:** https://meta.discourse.org/t/discourse-2-5-0-beta4-release-notes/150326
**Category:** Announcements
**Tags:** release-notes
**Created:** [2020年五月4日 16:00 UTC](https://meta.discourse.org/t/discourse-2-5-0-beta4-release-notes/150326 "2020-05-04T16:00:47Z")
**Posts on this page:** 1
**Showing post:** 1

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### Author: ![jomaxro](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/jomaxro/32/126216_2.png) [@jomaxro](https://meta.discourse.org/u/jomaxro)
#### Post date: [2020年五月4日 16:00 UTC](https://meta.discourse.org/t/discourse-2-5-0-beta4-release-notes/150326/1 "2020-05-04T16:00:47Z")

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# 2.5.0.beta4 中的新功能

> ⚠ **需要重新构建。** 重新构建将把软件包版本更新到最新，如果网站在过去一周内未通过命令行重新构建，则必须完成此操作。

### 通知页面支持筛选全部/未读/已读

收到大量通知？是否曾难以找到那 1 条未读通知？感谢社区贡献者 @Ahmed_Gagan，这项长期被期待的功能现已可用。

 ![filter](https://global.discourse-cdn.com/meta/original/4X/4/8/9/489b56a0d720582d81d0a37a26cd377eefd73d4f.png)

### Internet Explorer 11 支持将于 6 月 1 日结束

距离 Discourse 停止支持 IE11 已不足一个月。在 beta4 版本中，我们对只读 HTML 视图进行了进一步改进。

> [@Discourse is ending support for Internet Explorer 11 (IE11) on June 1, 2020](https://meta.discourse.org/t/discourse-is-ending-support-for-internet-explorer-11-ie11-on-june-1-2020/137984):
>
> Why is Discourse dropping IE11 support? From the beginning, Discourse has been built for the future of the internet. Discourse relies on current, evolving web standards as it is developed. Microsoft is no longer updating IE11 to support modern web standards, they are only providing security updates and support. Given the lack of updates, Discourse development has become hindered by IE11. When new features are developed, they frequently require IE-specific code to ensure they work as expected, as…

### 写受限类别的可选分类横幅

是否有用户因无法在某个类别中创建主题而感到困惑？现在，您可以针对每个类别向没有创建主题权限的用户显示横幅。

 ![image](https://global.discourse-cdn.com/meta/original/3X/4/c/4c7077e2a0814aebfe98c58256a8925df38f6414.png)

 ![image](https://global.discourse-cdn.com/meta/original/3X/7/3/73aa48ad6df5d4048b01fc1c0d9ead9470148ab2.jpeg)

### 更新基础镜像

我们已更新 Docker 基础镜像，包含以下更改：

- ImageMagick：更新至 7.0.10-6
- nginx：更新至 1.17.9
- 明确移除 openssh-server 软件包
- 避免引入不必要的依赖软件包
- 从最新镜像中移除的软件包：geoip-database guile-2.2-libs less libevent-2.1-6 libfribidi0 libgc1c2 libgd3 libgeoip1 libgnutls-dane0 libgsasl7 libkyotocabinet16v5 liblzo2-2 libmailutils5 libmariadb3 libnginx-mod-http-auth-pam libnginx-mod-http-dav-ext libnginx-mod-http-echo libnginx-mod-http-geoip libnginx-mod-http-image-filter libnginx-mod-http-subs-filter libnginx-mod-http-upstream-fair libnginx-mod-http-xslt-filter libnginx-mod-mail libnginx-mod-stream libntlm0 libunbound8 libx11-6 libx11-data libxau6 libxcb1 libxdmcp6 libxext6 libxmuu1 mailutils mailutils-common mariadb-common mysql-common ncurses-term nginx nginx-full openssh-server openssh-sftp-server xauth

### 还有更多！

但等等，还有更多！我们尽力为您突出显示新功能和变更，但变更数量总是太多，无法一一详述。有关新功能、错误修复、用户体验改进等的完整列表，请务必查看下面列出的附加功能和修复。

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