Yes, most of those old icons were retired near the end of 2015.
Imgflip did continue using the original binary (matrix) icon for about three years after that, which was awarded at 10 million points. Raydog was the first user to reach that on 2017-07-10, was a big deal at the time.
The icon system was updated again sometime around the end of 2018 or early 2019, when the original binary icon was retired.
After the last update, all the icons after 1.8 million points were changed.
Caption this Meme 
