Minecraft Infdev

Minecraft Infdev refers to 21 versions of Infdev released from February 27, 2010 to June 27, 2010.

General

 * Clouds
 * Can now be 3D.
 * Options
 * Fast/fancy graphics option toggle.
 * Suffocation
 * They player now suffocates while stuck inside blocks.

Blocks

 * Sand
 * Re-added.
 * Gravel
 * Re-added.
 * Signs
 * Can be written on.
 * Ladders
 * Can be climbed.
 * Doors
 * Can be opened and closed.
 * Mob Spawners
 * Spawn in dungeons.

Items

 * Golden apples
 * Can be eaten.
 * Buckets
 * Can pick up liquids.
 * Saddles
 * Spawn in dungeon chests.

Non-mob entities

 * Arrows
 * Re-added.
 * Shadows
 * Added
 * Minecarts
 * Can be ridden.
 * Rails
 * Can have minecarts placed on them.

World generation

 * Generated structures
 * Brick pyramids.
 * Obsidian walls
 * A line of obsidian blocks extending infinitely along the x and z axes.
 * Trees
 * Reimplemented
 * Ores
 * Now generate naturally.
 * Dungeons
 * Spawn with mob spawners and loot chests.

General

 * Sky
 * Is now completely blue (hex #0000FF).
 * The Player
 * Now drops their items upon death.
 * Now dies after falling out of the world.
 * Day-night cycle
 * Days are now slightly longer than nights.

Blocks

 * Fire
 * Now spreads to flammable blocks.
 * Grass
 * Now spreads to nearby dirt blocks.
 * Cobblestone
 * Now generates after water touches flowing lava.
 * Obsidian
 * Now generates after water touched a lava source.
 * Lava
 * Lava now only spreads 4 blocks instead of 8.
 * Bedrock
 * Now generates at level 0.
 * Sand
 * Now has a falling animation.

Mobs

 * Entities
 * Now save after a world reload.

World generation

 * Infinite worlds
 * World now generate infinitely in every direction.
 * Indev House
 * Removed
 * Caves
 * Rooms now have 1-5 exits, instead of just 1, making natural hubs.
 * Caves are even more regional, with truly Swiss cheese areas being possible but rare.
 * Springs, both water and lava, are more common.
 * Increased variety in tunnel thickness, increasing the odds of branches.
 * Added natural gravel and dirt under ground for more varied caves.