Graal is an incredible feast of PL engineering: https://medium.com/@octskyward/graal-truffle-134d8f28fb69 (when pitched as a silver bullet I wonder if there's more downsides)
miniblog.
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34 environments, 24 compilers and 9 interpreters: the story of Eve, how it grew from Light Table, how they researched, built prototypes, and pitched the reinvention of programming to investors.
Part 1: https://youtu.be/WT2CMS0MxJ0
Part 2:
https://youtu.be/ThjFFDwOXok