Types of Discontinued Features

This page is massively in progress - not complete at all List of types of discontinued features:

Feature Type

 * Block Discontinued Feature - discontinued features using the blocks of the world
 * Multiblock Discontinued Feature - discontinued feature not because of a single block but because of a combination of blocks that are in a usually unobtainable fashion
 * Floating Block Discontinued Feature - block that normally requires a support block without the support
 * Liquid Block Discontinued Feature - lava and water in abnormal states
 * Entity Discontinued Feature - entity that is no longer obtainable
 * Mob Discontinued Feature - mob that is no longer obtainable
 * Non-mob Entity Discontinued Feature - entities such as minecarts and paintings that aren't mobs
 * Stacked Entities Discontinued Features - entities riding on top of one another to create a unique entity combination
 * Item Discontinued Feature - items in a slot that are no longer obtainable
 * Overstacked Item Discontinued Feature - items that are above the stack limit of an item
 * Player Data Discontinued Feature - data stored as a player including inventory slots, statistic, and status effects
 * World State Discontinued Feature - rare, but are statuses of entire world such as gamerule

Still In Game?

 * Undiscontinued Features - features that were once a discontinued feature but are now not
 * Recontinued Feature - feature that was removed and was discontinued but then was added back
 * Double Recontinued Feature - feature that was removed twice and readded twice
 * Removed Discontinued Feature - feature that was deleted from world upon upgrading

Observability

 * Observable Discontinued Feature - discontinued feature can be directly observed
 * Indirect Observable Discontinued Feature - discontinued feature can be observed but only using indirect tests such as if items stack
 * Semi-observable Discontinued Feature - discontinued feature that could be observed but only once by destroying the discontinued feature
 * Unobservable Discontinued Feature - discontinued feature that can only be observed by copying the world and running a third party software or commands to check

Other

 * Temporary Discontinued Feature - feature can be brought into newer versions but has a time limit to how long it will last
 * World Generation Discontinued Feature - feature that was created by the world generation
 * Movable Discontinued Feature - feature that can be moved
 * Unmovable Discontinued Feature - feature that cannot be moved