Taken Directly from the NeoGAF thread:

New CD Projekt RED and Witcher 3 Visual Identification Unveiled
CD PROJEKT RED, the developer behind the critically acclaimed Witcher series of games, is excited to unveil a new image of both the studio and its leading title—The Witcher 3: Wild Hunt, and provides new details about the titular Wild Hunt.
Established in 2002, located in Warsaw (HQ) and Kraków, Poland, CD PROJEKT RED was born out of raw passion to video games. The studio’s founders—Michał Kiciński and Marcin Iwiński, both pioneers in video game distribution in Poland in the 90s, decided to employ their gaming industry experience in video game development. A lot of time has passed since 2002, and the studio’s logo remained mostly untouched. Until today.
The new REDbird logo is a combination of energy and passion for game-making the studio is known for. This is how Adam Badowski, CD PROJEKT RED’s Head of Studio, sees the change:
We are rebels and rebels are free. Just like birds. The Northern Cardinal, or REDbird, is what we see ourselves in the industry: intrepid, bold and confident; flying high and aiming even higher. The color, cardinal RED, is something that connects it with another bird, a mythological creature close to our cultural roots and heritage—the Rarog, a small firebird believed to bring luck to people. RED stands for energy, the inner fire that drives us; it represents something very close to everyone here in the studio—the creativity and passion we harness from within ourselves to make the best RPGs in the world.
Starting May 14th, the REDbird logo will become the new, official logo of CD PROJEKT RED—it will accompany all official assets and will form the core of the studio’s visual identification.
Along with the new studio logo, CD PROJEKT RED is thrilled to unveil the new logo of it’s most ambitious game—The Witcher 3: Wild Hunt. Putting the titular Wild Hunt in its center, the new logo casts the spotlight on the mask of one of its ominous leaders—general Eredin.
The Wild Hunt has always been thought to presage war, great plagues and death. Their origin unknown, these ghastly riders instilled fear in the hearts of men and are believed to be able to steal people’s spirits that would later join the cavalcade. They come at night, in the winter and their appearance is always preceded by the aurora borealis.
In The Witcher 3, the Wild Hunt are not mere bosses at the end of a corridor. They’re part of the lore, part of the system of folk beliefs, they’re both something that children say stories about to scare each other and an entity that can wipe out entire villages in one night. The Wild Hunt is essential to the whole Witcher universe and in The Witcher 3 it will finally take center stage.
The ones who command the Hunt remain a mystery even bigger than the Hunt itself. Their number and purpose are shrouded with mystery, their cold steel however is not—many have witnessed the Hunt’s atrocities, almost none survived to tell the tale.
The Witcher 3: Wild Hunt is a story-driven, next-generation open world role-playing game, set in a graphically stunning fantasy universe, full of meaningful choices and impactful consequences. In The Witcher 3, you play as Geralt of Rivia, one of a dying caste of monster hunters, and embark on an epic journey in a war-ravaged world that will inevitably lead you to confront a foe darker than anything humanity has faced so far—the Wild Hunt.
More information about the game and the Wild Hunt is planned to be released soon. The Witcher 3: Wild Hunt is scheduled for release on Xbox One, PlayStation 4 and PC in February, 2015.