Some things I learnt from watching the promotional event (restricted to Japan it seems) at Anime Japan. Do correct me if it seems I misunderstood or misremembered some parts of the interview:
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The production crew is making the distinction between the earlier adaptation and the remake by referring to them as 平成版 (Heisei-era version) or 令和版 (Reiwa-era version).
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Koshimizu Ami mentions everyone from novel-only, Heisei-era, to now Reiwa-era enjoyers to find pleasure in the versions they like, without trying to compare which versions are superior.
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Koshimizu Ami expresses that she feels the years in the industry, and just gaining more life experience itself, will allow her to portray a Holo with more maturity with just the right balance of childishness.
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Nakahara Mai is replaying Norah with the idea that this is a different Norah from a different work.