Java Edition 1.8.4

1.8.4 is an update to Minecraft which was released on April 17, 2015, to fix various exploits and important security vulnerabilities,  as well as some other minor issues. 1.8.4 is compatible with 1.8 – 1.8.3 servers. This version is identical to Xbox 360 Edition TU36.

Mobs

 * Ocelots and wolves
 * No longer follow players in Spectator mode.

Gameplay

 * Nether portal
 * Traveling through no longer places the player outside the portal.

General

 * Skin customization.
 * Player head skins can no longer be loaded from arbitrary servers.
 * They must now be loaded from the official Mojang servers.
 * Player head skin files are now required to be a .png file.

Video
Video made by slicedlime: