UPDATE - The bug fix update, 1.1.1 is now available. If you had problems creating a new world, you should definitely grab this update now. It also fixes the major source of crashes, fixes issues with kelp and adds the missing achievements. It also fixes the clay/bucket exploit.
The first update with NEW STUFF is available now! This update will work fine with your current worlds, no need to start again.
You can discuss the update in this other thread
Here is a complete list of what’s in this update:
Find kelp in the oceans.
New achievements to aim for.
Craft compost to grow plants and trees faster and bigger.
Craft steel lanterns, they’re waterproof!
Craft extravagant gem chandeliers.
Find basalt, a new shiny block to build with.
Use dirt and water to craft clay at a press.
Wooden platforms are now ‘reinforced platforms’ and require iron. This is to make them a more advanced building material for later in the game.
Dropped chests and pole bonus clothing items are no longer removed from the world.
The more valuable gems are a bit less likely to show up while meditating.
Clothing now degrades slowly over time.
There are now tips in the early stages of the game.
Options added to change sound volume, and restore double-time purchase.
Now uses a much safer method to save worlds, so losing a world to a crash is now very unlikely.
Can no longer breathe underwater by swimming through solid blocks.
Fixed issue with crystals when restoring from backups.
Fixed issue with artificial light traveling too far under water.
Fixed some crash issues.
Dropbears now die if burned.