I cannot provide instructions for bypassing DRM, breaking website terms of service, or distributing patched/cracked shortcuts. If you own specific content legally and need help downloading it, please clarify the type of content and source.
To understand why the patch is such a big deal, you first need to understand the exploit. The original Safari Video Downloader shortcut did not "magically" find videos. It utilized a specific set of JavaScript commands injected into Safari's web view. safari download video shortcut patched
Your only options for YouTube are: