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The evolution of policy gradient methods as a chain of problems and fixes

This story is from 2026-08-19. It is preserved in the archive; the latest stories are on the live feed.

My PhD was in RL, and something has bugged me for years: online tutorials mostly present these algorithms as a list. The evolution story (each algorithm patching the previous one's most painful failure) exists, but it's spread across a semester of lectures like CS285 or buried in the original paper…

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  1. 2026-08-19 16:08 · r/machinelearningnews
    The evolution of policy gradient methods as a chain of problems and fixes

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