Back to the good old feed. Source: https://greasyfork.org/en/scripts/474728-github-old-feed/code

github-old-feed.js

(function () {
    'use strict';

    const feedContent = document.querySelector('.feed-content')
    const feedMain = document.querySelector('.feed-main')
    const sidebar = document.querySelector('.feed-right-sidebar')

    feedContent.style.maxWidth = "unset"
    feedMain.style.maxWidth = "100%"
    sidebar.style.maxWidth = "unset"
    sidebar.style.width = "900px"

    fetch('https://github.com/dashboard-feed')
        .then(response => response.text())
        .then(text => {
            const parser = new DOMParser();
            const doc = parser.parseFromString(text, 'text/html');
            // Preserving the SSO container
            const dashboard = document.querySelector("#dashboard feed-container");
            const main = doc.querySelector('main');
            if (dashboard && main) dashboard.replaceWith(main);
        })
        .catch(error => {
            console.error('Fetching the dashboard feed:', error);
        });
})();