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New ‘.internalGenerics’ complementing ‘.S3PrimitiveGenerics’, for documentation and low-level book keeping.
Communication between parent and child processes in ‘multicore’ part of ‘parallel’ could fail on platforms that do not support arbitrarily large payload in system functions ‘read()’/‘write()’ on pipes (seen on macOS). The payload is now split into 1Gb chunks to avoid that problem. PR#18571