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by jason_oster 95 days ago
This is irrelevant over the long run because the environment changes even if nothing else does. A compiler from the 1980's still produces identical output given the original source code if you can run it. Some form of virtualization might be in order, but the environment is still changing while the deterministic subset shrinks.

Having faith that determinism will last forever is foolish. You have to upgrade at some point, and you will run into problems. New bugs, incompatibilities, workflow changes, whatever the case will make the determinism property moot.