If it does, you already know how. It's pretty obvious and shows nothing less than a complete lack of QA at YT.

I've been told here that we're not a client, but a product. But how to keep being a product with such level of QA?? Guess we have to find a few ways ourselves.

Bookmarklet way:

  javascript:(() => {
      for (const a of document.querySelectorAll('a')) {
          if (a.href.includes('&t=')) {
              a.href = a.href.replace(/&t=\d+/, '');
          }
      }
  })();

  // ==UserScript==
  // @name         Remove youtube timestamps
  // @namespace    http://tampermonkey.net/
  // @version      2024-11-23
  // @description  Remove youtube timestamps
  // @author       Me myself
  // @match        https://www.youtube.com/*
  // @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
  // @grant        none
  // ==/UserScript==
  
  (function() {
      'use strict';
      function removeTs() {
          for (const a of document.querySelectorAll('a')) {
              if (a.href.includes('&t=')) {
                  a.href = a.href.replace(/&t=\d+/, '');
              }
          }
      }
      setInterval(removeTs, 1000);
      document.body.addEventListener('yt-navigate-finish', removeTs);
      removeTs();
  })();