How many items can be register in Forge?

[DouglasRafael]

I was trying to change item models with Model backer and ItemOverrides but it's too annoying so I looked for alternative ways:

but for that I need to make many items, in this case for each model one item, however each item would have five models and I want to make about 30 items. That way I would have to make 600 items?

this is a lot, can the forge handle it?

[warjort]

Minecraft 1.12 and before had a limit of 65535 items (actually 4096 but you had 16 "colors" per item), 1.13 removed that limit.