You MUST use this to become a Youtube GOD!!!!

// ==UserScript==
// @name          Youtube channel default tab
// @match         https://www.youtube.com/*
// @exclude       https://www.youtube.com/embed*
// @run-at        document-start
// @license       MIT License
// @grant         none
// ==/UserScript==

(() => {
  const RX_CHANNEL_HOME = /^(https?:\/\/www\.youtube\.com)((\/(user|channel|c)\/[^/]+)(\/?$|\/featured[^/])|(\/@(?!.*\/)[^/]+))/;
  const DEFAULT_TAB_HREF = "/videos";
  // the byte/ascii sequence '0x12 0x06 v i d e o s' encoded with base64 and uri component encoding seems to correspond to the videos tab
  const DEFAULT_TAB_ENDPOINT_PARAMS = encodeURIComponent(btoa(String.fromCharCode(0x12, 0x06) + "videos"));

  if (RX_CHANNEL_HOME.test(location.href)) {
    // this will get invoked when a youtube channel link is reached from a non-youtube origin page
    // where we didn't rewrite the link
    location.href = RegExp.$2 + DEFAULT_TAB_HREF;
    return;
  }

  addEventListener('mousedown', event => {
    const a = event.target.closest('a');
    if (a && RX_CHANNEL_HOME.test(a.href)) {
      // a channel link was clicked so it has to be rewritten before the actual navigation happens

      // this makes sure the redirect above in line 15-20 is not needed as long as the link clicked is on a youtube page
      // e.g. when opening a channel link in a new tab
      a.href = RegExp.$2 + DEFAULT_TAB_HREF;

      // without this the url in the browsers navigation bar will show the wrong url but the videos tab is still being loaded
      try { a.data.commandMetadata.webCommandMetadata.url = RegExp.$2 + DEFAULT_TAB_HREF; } catch (e) {}

      // this makes sure that the videos tab is the one actually being loaded
      try { a.data.browseEndpoint.params = DEFAULT_TAB_ENDPOINT_PARAMS; } catch (e) {}
    }
  }, true);
})();

// ==UserScript==
// @name         YouTube Channel Page Auto Click "Latest" May 2023
// @description  Emulate mouse click on the "Latest" chip on YouTube channel pages
// @namespace    ytchannellatest
// @version      2
// @match        *://*.youtube.com/*
// @run-at       document-end
// @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @license      public domain
// ==/UserScript==
(function() {
  console.log(`${GM.info.script.name} run`);

  if (
    window.location.pathname !== '/' &&
    window.location.pathname !== '/results' &&
    !window.location.pathname.startsWith('/watch')
  ) {
    var clickLatestChip = function() {
      var latestChip = document.querySelector('yt-chip-cloud-chip-renderer[aria-selected="false"]');
      if (latestChip) {
        latestChip.click();
      }
    };

    var clickLatestChipOnLoad = function() {
      var interval = setInterval(function() {
        var latestChip = document.querySelector('yt-chip-cloud-chip-renderer[aria-selected="false"]');
        if (latestChip) {
          clearInterval(interval);
          clickLatestChip();
        }
      }, 500);
    };

    if (document.readyState === 'complete') {
      clickLatestChip();
    } else {
      window.addEventListener('load', clickLatestChipOnLoad);
    }
  }
})();