RSC Sundae

Noticed that at least some of the crafting level requirements are post-members-launch ones instead of earlier ones, see https://classic.runescape.wiki/w/Crafting/Rework (sources listed in the article).

Yep, this is pretty much intentional - balance-related mechanics follow later versions unless there's a good reason otherwise, since it's seen as a bug fix. There's absolutely no remaining information for how Mining rates worked pre-Fatigue, for example.

Got it - sounds reasonable. Especially the gem cutting xp rewards were tough considering how rare they were