Upcoming features

1.4.4
1.4.4 will feature various balance changes and a new pet-summoning item named the Resplendent Dessert.

1.4.4 will include a new secret seed. The details of the seed are unknown but it is likely that it will have something to do with the world being upside down.

Known balance changes

 * General
 * The Angler will now have a chance to give an extra furniture loot drop (in addition to his main reward) upon completing a quest. The odds of this will increase as the player completes more quests.
 * A Plantera's Bulb will now spawn immediately after defeating all three mechanical bosses.
 * Bast Statue can now be randomly found placed inside Desert Underground Cabins, in addition to being found inside chests, similar to how Extractinators can spawn placed inside Underground Cabins.
 * Pressing on the Eternia Crystal Stand will skip the remaining wait time between Old One's Army waves.
 * The cost of Defender Medal purchases from the Tavernkeep has been reduced significantly (averaging 33-40% less medals for the majority of items).
 * Sharpened, Clairvoyance, Ammo Box and Bewitched buffs now last until death.
 * Duration of all sentries has been increased from 2 to 10 minutes.
 * Drop rate for all rare pirate drops have been doubled on regular pirates and Pirate Captains.
 * The Flying Dutchman now has a dramatically increased chance to drop any of these items (in some cases, ×10 as likely), and will always drop 1 piece of golden furniture.
 * Paintings and Statues will now glow with the Spelunker buff.
 * Slime bonus drops may now include Fallen Stars.
 * Tombstones not attached to blocks will now act as boulders.
 * Weapons
 * Dark Lance
 * Damage increased from 29 to 34.
 * Now inflicts Shadowflame on hit.
 * Now has approximately 15-20% more reach.
 * Frostbrand
 * Now fires its projectile more often.
 * Projectile now inflicts Frostburn.
 * Flairon
 * Detection range for bubbles to chase after enemies increased by 30%.
 * Bubbles now last 33% longer.
 * Scourge of the Corruptor
 * Now has more consistent and higher overall average number of Tiny Eaters.
 * Tiny Eaters now move and chase enemies faster.
 * Star Wrath
 * Projectile stars will now use their own independent immunity timer (allowing each star to hit an enemy; previously only one could hit at a time).

Cross-play
With Journey's End being designed to be a conclusion to Terraria, no new major content updates are planned for the, nor is it known whether updates featuring bug fixes, additional localization or other such minor patches will be released. However, Re-Logic has stated that they would like to implement cross-play, allowing Multiplayer between the. This will require feature parity between all three versions to function properly, as Cenx has stated.

Terraria 2
In the past, Redigit has mentioned plans to release Terraria 2, a separate game from the cancelled Terraria: Otherworld, although little information is known about the nature or content in the possible upcoming sequel at this time, including whether it still exists.