观看以下视频，了解如何将本站安装为Web应用到您的主屏幕。
注意： 此功能可能在某些浏览器中不可用。
Added a configurable 'days back' period to prevent heavy queries on large databases with few recent threads.
Increased fetch timeout to 30s from the default WP 5s, to allow results to appear on slow servers
Minor code improvements
Various code improvements
