What can one predict about X's behavior in specific future versions of Perl based on this information?

Not much. As I've already answered: It may be gone in the next version, it may be removed later, or it may never be removed.

The answer to this question is not straightforward, and depends in part on precisely how X has been labeled.

No, it doesn't. Like I already said, no timetable has ever been promised. Things get done when and if someone gets motivated to get it done.

However, for some reason you don't want to acknowledge this fact, so I'm not sure what to say.

Because it's not true. You yourself pointed out it's not known when something deprecated will be removed. If you want to say something, how about explaining why now claim the opposite is fact?

In reply to Re^10: New behavior of 'each' with respect to references by ikegami
in thread New behavior of 'each' with respect to references by davido

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