But times have changed, and development isn't dead. Why haven't they been updated? The optimizations you imply are often straightforward and well-understood; not major undertakings to implement.
"But times have changed, and development isn't dead. Why haven't they been updated?"
Maybe because listing 8M files is not a common use case, and there just isn't the motivation to update otherwise perfectly working code. It's not an itchy problem.
