New demos:

Airport Contraband Demo (this one was sneakily linked in Roadhouse Simulator news post though)
Martial Law: Our Spring Demo

New game, DLCs and demos (not mentioned in this post - but I'm also listing 3 demos higlighted in the post, just to make it easier for you to grab them all):

Cocommando
Sky Force Anniversary - Original Soundtrack
Sky Force Reloaded - Original Soundtrack
Anvil United! Demo
Arms of God Demo
Barkour Demo
Cloudsphere Demo
Mothville: The City of Hidden Things Demo
Northfall Demo
PARALLAXIS Demo
Rustwater Demo
Soccer Kids Alpha
USURPATIO Demo
Vampire: The Masquerade - Oaths & Ashes Demo

New game:

Battleplan

New DLCs:

Heart of the Machine - Kinship
Heart of the Machine - Supporter Pack

New bundle and DLC:

Sky Force Bundle
Grim Dawn - Loyalist Item Pack 4

New game:

Tank Squad

EDIT: The news post showed up a while later.

New DLC (not mentioned in this post):

Allogloom - Original Soundtrack

New game:

Drag'N Wash

New edition:

Dahlia View Digital Deluxe

New DLC:

Heroes of Science and Fiction - Xenauri faction

New games:

Boob Wars
Demon Master Chris
Dungeon of Corruption
Orc Castle
Spirit Master of Retarnia

New edition (not mentioned in this post):

WW2 Rebuilder: Gold Edition

New edition and DLC (not mentioned in this post):

Penguin Colony Deluxe Edition
Penguin Colony Soundtrack and Director's Commentary

New game, editions and DLCs:

Road Redemption
Road Redemption: Supporter's Edition
Road Redemption: Super Supporter's Edition
Road Redemption - Concept Art and Videos
Road Redemption - Early Prototype
Road Redemption: From Road Rash to Road Rage
Road Redemption - Revengers Assemble

EDIT: The news post for the game and its DLCs showed up a while later.

New demo:

Office Party Tech Demo

New DLC (not mentioned in this post):

The Mr. Rabbit Magic Show - Supporter Pack