OpenSilver
OpenSilver 是 Silverlight 的一种现代，无插件，开源的实现。它使用WebAssembly技术，能够使用C#，XAML和.NET技术开发 Web 应用。
Silverlight：是2007年微软开发的，以浏览器插件方式提供Web应用程序中多媒体与高度交互性前端应用程序的解决方案。当年是 Adobe Flash Player 的竞争者。
BY 每日 AWESOME 观察
elegram is updating its messaging app with options for auto-deleting messages, expiring invite links, and new unlimited groups, the company shared in a blog post. Much like Signal, Telegram received a burst of new users in the confusion over WhatsApp’s privacy policy and now the company is adopting features that were already part of its competitors’ apps, features which offer more security and privacy. Auto-deleting messages were already possible in Telegram’s encrypted Secret Chats, but this new update for iOS and Android adds the option to make messages disappear in any kind of chat. Auto-delete can be enabled inside of chats, and set to delete either 24 hours or seven days after messages are sent. Auto-delete won’t remove every message though; if a message was sent before the feature was turned on, it’ll stick around. Telegram’s competitors have had similar features: WhatsApp introduced a feature in 2020 and Signal has had disappearing messages since at least 2016.
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