Versions you will see this in many places: Mechanics: VariantOption Some iDnD content Some iCore content iCore Branch Magic Character v1 Version 2.0 iCore Version 4 iCore Version 5 iCore v3 v6 Version 1a iCore Version 2.5 iCore iOriginal Branch Incarna D20 Incarna D20 Essentials v5-beta Magic