Related by content (OP says "This page is a riff on Patrick Collison's list of /fast projects"):

Fast - https://news.ycombinator.com/item?id=36605912 - July 2023 (298 comments)

Fast (2019) - https://news.ycombinator.com/item?id=30872279 - March 2022 (97 comments)

Fast - https://news.ycombinator.com/item?id=21848860 - Dec 2019 (291 comments)

Fast · Patrick Collison - https://news.ycombinator.com/item?id=21355237 - Oct 2019 (5 comments)

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Also related, if only by title, this from yesterday:

Fast - https://news.ycombinator.com/item?id=44736967 - July 2025 (418 comments)