Topic on Talk:Release Date Change
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For how I see it, Release Date Change is actually the missed supertrope of Schedule Slip. Schedule Slip is related to how in serial works or stuff released in installments, after an initially regular release schedule the promised new updates begin to lag and be postponed. Works subjected to Release Date Change are not necesarily serial in nature, and more often than not it is its premiere/initial release date the one that is changed for reasons.