Probably best place is just knowing that both Ark and Spark rely on it from day one, and that Lightning will upgrade to it, finally removing the biggest cause of unintended force-closures while plugging one of its biggest security holes. Optech definitely has coverage (and is usually the best place to learn about some of these kinds of topics - https://bitcoinops.org/en/topics/ephemeral-anchors/ and https://bitcoinops.org/en/topics/v3-commitments/ )
