> How about that Unladden Swallow that was announced with fanfare back in the day? That's not a fair comparison: Unladen Swallow was designed to be completely

> How about that Unladden Swallow that was announced with fanfare back in the day? That's not a fair comparison: Unladen Swallow was designed to be completely compatible with CPython, so it wasn't a 'new platform' that people would depend on Google to support. Also, when Unladen Swallow was abandoned, it didn't leave anybody stranded. Unladen Swallow was abandoned because it wasn't appreciably faster than CPython, so nobody was using it anyway.