Greasy Fork is available in English.

GitHub: Always Expand Timeline Contents

A new userstyle

/* ==UserStyle==
@name           GitHub: Always Expand Timeline Contents
@namespace      rinsuki.net
@version        1.0.0
@description    A new userstyle
@author         rinsuki
==/UserStyle== */

@-moz-document domain("github.com") {
    #dashboard .news .js-news-feed-event-group.Details:not(.Details--on) .Details-content--hidden.body {
        display: block !important;
    }
    #dashboard .news .js-news-feed-event-group.Details button.js-details-target {
        display: none;
    }
}