In Minecraft Snapshot 24w09a, NBT has been replaced by components.
— Unstructured NBT data attached to stacks of items (tag field) has been replaced with structured 'components'
Enabling Advanced Tooltips shows you how much NBT/components a block has.
Ctrl+Picking a chest in older versions would say NBT: x tag(s) and(+NBT).Ctrl+Picking a chest in 24w09a has replaced the NBT: x tag(s) with x component(s), but it still says (+NBT)
1.20.4:
[media]24w09a:
[media]Steps to replicate
Place a chest
Press middle mouse button and Ctrl
Enable advanced tooltips (F3+H)
Look at the chest item in your inventory in different versions.
Ah, I was wondering where these items with (NBT+) Lore Tag were coming from under Vanilla. I was aware of the Ctrl+Pick Block, but I was trying to figure out which items do this.