In you library, click on the game, then "more" then "changelog"

The Witcher 3: Wild Hunt - Patch 1.03 changelog:

Improves stability in gameplay and the UI
Improves performance especially in cutscenes and gameplay
Fixes grass and foiliage popping that can occur after density parameters change
Improves Nvidia Hairworks performance
Boosted texture anisotropy sampling to 16x on Ultra preset
Sharpen Postprocess settings extended from Off/On to Off/Normal/High
Improves menu handling
Improves input responsiveness when using keyboard
Corrects an issue with stamina regeneration while sprinting
Fixes a cursor lock issue that sometimes occcurs when scrolling the map
Generally improves world map focus
Corrects a bug where player was able to fire bolts at friendly NPCs
Corrects an issue in dialog selections
Corrects some missing translations in the UI
Minor SFX improvements -Blood particles will now properly appear after killing enemies on the water
Rostan Muggs is back
Adds Japanese language support (text and voice-over)
Adds Korean language support (text only)


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