The game launches today and the patch should auto-download from UPLAY. There are some design changes and user interface tweaks to improve performance. All the changes are below:
Expert Mode Changes:
Players’ health has been halved compared to Hard difficulty
Reduced player’s aim assist
AI shoots faster by 1/3
Enemies in combat are not shown on mini map by default (they appear only if they are tagged)
It takes the AI a longer time to “forget” you when you hide
The aim assist box is reduced for several weapon types (bow, club, spear)
The player damage is reduced
Other Fixes:
Stability & Performance
– Optimization and stability have been improved
– Improved lighting
Weapons & HUD
– Improved reticle display
Wildlife & AI
– Improved beast companion behavior
– Fixed rare animation issues
– Improved visual of the mammoth when it destroys objects
– Improved animal fighting behaviour when triggering a fight
Design & progression
– Tweaked and balanced XP rewards
– Tweaked the damage ratio of certain recipes
– Improved overall balancing
Gameplay
– Improved animations of weapons on fire
– Fixed issues with lit weapons during cinematics at night
– Improved player navigation and small collision issues
– Improved camera transition and minor collision issues on cinematics
PC:
Performance improvements
Improvements for wide-screen monitors and multi-monitor configurations support
Multi-GPU configuration fixes
Camera/Control/Character optimizations and improvements
HUD and feedback better adapted for different resolutions
PC UI modifications and enhancements