Why did you change the YouTube video downloader?

When you I download a video on YouTube now, a small window appears at the bottom and it converts the video into MP4 and then starts downloading. The process is very slow. A video that used to take 10 seconds to download before, now it takes 2 minutes. Lol.

In the previous version it was easy. You just click download and it would start downloading right away. But now a window pops up, converts it and then downloads it very slowly. It's so fucking annoying right now. I dont even know you guys changed it. Please make it like the old version again.