You'll notice
Useful3 Signal2
Terminal writes are timed, and a broken output pipe marks the terminal dead instead of crashing.
What's wrong with this entry?
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What
Every write to the terminal is timed and the slowest one is kept for later inspection, and where configured, an EIO or EPIPE error marks stdout dead instead of raising. Byte counts are reported back to the code that commits output.
Evidence
tolerateDeadStdout
Strings lifted out of the shipped bundle, so the claim above can be checked against them.