The first free Dishonored 2 update has been in the works, and we now know when the release date will be.

Dishonored 2
The update will be coming next week, and includes a New Game Plus mode that allows players to combine Emily and Corvo’s abilities.
These are all the updates coming:
GAME UPDATE 1 RELEASE NOTES
New Features
- New Game Plus mode!
- New Quick-Access Wheel option for hiding/unhiding items
Improved Features
- Fixed Oraculum false-kill count in Royal Conservatory
- AI detection tweaks to clarify when players are detected or not
- AI locomotion improvement for running
- Fixed various Bonecharm effects (Strong Arm, Spiritual Pool, etc)
- Fixed a problem in slow-motion where some inputs were ignored
- Blood Thirst: various enhancement and fixes
- Killing an NPC with their own bullet is now more reliable
- Tweak for mana potion refill speed, depending on difficulty
- General performance and optimization improvements
- Fixed various game logic issues
- Fixed various User Interface issues
The update will be coming to all platforms on December 19, but a beta for the update launches on PC today.