Update v1.6.0

Added hotkey for toggling the HUD on/off (F11)
Fixed an issue when the game loaded incorrect save from Uplay Cloud
Fixed an issue with performance drop for Crossfire Multi-GPU
Fixed an issue with broken shadows in the northern region
Fixed various Controls issues
Fixed various Graphic issues
Fixed various IGE issues
Fixed various UI issues
Fixed various Uplay/Steam issues
Memory usage reduced
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Update v1.5.0
PC

The newest PC patch, 1.5.0, is now live! This patch will address, among other things, the issues with keybinding and mouse acceleration that players were experiencing. Full ptach notes are available below:

Patch Notes
•        Added 21:9 aspect ratio support
•        Added Russian text and subtitles to worldwide game version
•        Fixed an issue with aim assist
•        Fixed an issue with grappling if the aim button was remapped to another key
•        Fixed an issue with mouse input
•        Fixed an issue with movement key binding on mouse buttons
•        Fixed an issue with Uplay invites for Steam users
•        Fixed various Controls issues
•        Fixed various Graphical issues
•        Fixed various IGE issues
•        Fixed various Session Browser issues
•        Fixed various UI issues
•        NVIDIA graphics preset was removed
•        Reduced performance drop impact during streaming

This is a PC Patch only. You should see version 1.5.0 in the bottom left of the Main Menu if it has been successfully installed. If you are playing Far Cry 4 on a different platform, your version number will be different.
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Update v1.4.0
PC
•  NVIDIA HairWorks fully enabled for GeForce GTX gamers.
PVP + Co-Op
•  The game will no longer freeze if a player accepts a Co-Op invite while in the Uplay App after quickly selecting a storage device.
•  Players will no longer experience very low FPS if they join a friend in a PvP lobbly while in the Uplay browser.
•  The game will no longer remain on a black screen if they use the Fast Travel feature immediately after the Bell Tower unlock cinematic.
•  Resolved certain issues that prevented a player from returning to the Story Mode from the Co-Op tab.
Progression
•  Players will now be able to achieve 100% progression if they do not drive a snowmobile when the vehicle is available.
•  Players will now be able to reach 100% progression after the "Day 1" Patch is applied.
Trophies
•  Corrected an issue where Trophies would not be rewarded for several weapons.
Main Menu
•  The player will now hear ambient sound if they return tot he Main Menu from the Uplay App.
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Update v1.3.0
Here is the list of known issues fixed by the Day 1 Patch. Note, the patch for PC users contains a number of additional fixes - these are indicated throughout the notes below.
Stability & Performance
•  Fixed some random crashes on all game modes
AI
•  Fixed various edge case animation issues
•  Fixed various edge case detection issues
•  Fixed missing VO for edge case reaction issues
Matchmaking, Connectivity & Replication
•  Fixed matchmaking edge case issues
•  Fixed host migration random & edge case issues
•  Fixed join-in-progress edge case issues
•  Fixed various replication issues between host and clients
•  Fixed edge case replication issues with systems
Menus and HUD
•  Fixed various edge case menus and pop-up overlap issues
•  Fixed Mission objectives & updates issues
•  Fixed Co-op specific pop-up updates issues
•  Fixed few localization issues (cut-off text, subtitles)
•  Fixed progression displaying 100% too early in progress tab
•  Polished tutorial images
Mission Tweaks (Campaign, Co-Op & Side Content)
•  Fixed various low repro walkthrough breaks
World & 3D
•  Fixed various texture issues
•  Deleted some rare floating objects
Rendering & Graphics Features (PC Only)
•  Fixed rendering features not available under certain configurations
•  Fixed multi-monitor display issues
•  Fixed multiple visual artifacts; added SLI support
Inputs & Controls (PC Only)
•  Fixed mouse cursor and keyboard functionality
In-Game map editor
•  Fixed some graphical corruptions
•  Fixed some edge case issue with maps upload