Forgetting releaseLock() permanently breaks the stream. The locked property tells you that a stream is locked, but not why, by whom, or whether the lock is even still usable. Piping internally acquires locks, making streams unusable during pipe operations in ways that aren't obvious.
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Apple CEO Tim Cook has teased “a big week ahead" for Apple, starting on the morning of Monday, March 2. The company had already announced an in-person event for media and creators on March 4, while rumors had pointed toward Apple revealing at least five products over three days next week, so it looks like the stars are aligning for that to actually be the case.