This is the best summary I could come up with:

Prominent GNOME developer Christian Hergert announced he created a new terminal emulator that is twice as fast as the closest GPU-based renderer he’s found yet so far on Linux, which was Alacritty.

Hergert, who is known for his work on GNOME Builder and Sysprof and other GNOME contributions through his employment at Red Hat, tweeted on Friday: “Just going to put it out there because I don’t intend to do anything with it, but I have created a terminal emulator that is twice as fast as the closest GPU-based renderer I’ve found (at least on Linux) which was Alacritty.”

And the obligatory screenshot of his experimental terminal emulator running a basic performance test alongside Alacritty:

And also adding: "Instead of continuing Termkit though, I just made a bunch of VTE patches because it’s good enough.

I also found it interesting how the field of contenders all use multiple threads and some even attempt to balance between CPU and scroll performance.

As for not developing it further, Hergert tweeted: "I don’t care too much because creating your own terminal is like 20 lines of code these days.

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