Earlier today patch 1.03 was made available for Uncharted 4: A Thief's End, but the initial patch notes on PS4 weren't really very detailed. A few minutes ago Naughty Dog posted the full changelog, and you can read it all below.

Uncharted 4 – PS4 Patch 1.03 Notes

1.03.012

General:

  • Various Localization updates

Single Player:

  • Fixed various crashes
  • Fixed particle sync issue

Multiplayer:

  • General
  • Gameplay crash fixes
  • Fix for Entitlement Limits being reached causing users to not see Uncharted Points they had purchased
  • Enabled a pop-up to appear while in the menus to inform users of new updates
  • Fix for Challenge completed pop-up appearing after already completing the challenge
  • Fix for Loadout Point unlocks not triggering properly
  • Fix for store item descriptions
  • Leaderboard text fixes
  • Fix for post-game medal description
  • Added Leaderboards menu item to matchmaking page so players can check out their leaderboard stats while in matchmaking
  • Fixed booster level issue for late-joiners
  • Sniper Sidekick - Path of Indra mod now plays sound properly when Sniper teleports
  • Timer display error fix for Matchmaking lobby
  • Fix for private match settings not being visible after viewing previous game results
  • Fixed crash that can occur during the end game scoreboard
  • Ranked TDM
  • Fix for team favor display for when teams are evenly matched in Ranked TDM
  • Fix for rank point bug where players were incorrectly getting penalized for both win/loss
  • Rank progress is now displayed when browsing the Ranked TDM playlist, before entering
  • Lowered the max rank that can be achieved after initial placement matches from Gold I to Gold III
  • Command
  • Fix for a crash that occurs during a game of Command
  • Fix for store prices sometimes being improper while being a Captain
  • Fix for contested status icon not updating properly
  • Fix for late-join player seeing improper status icon
  • Plunder
  • Fix for the idol respawn timer not appearing properly
  • Fix for weapon gameplay issues while hodling the idol
  • Treasure chest, player starting spawns, & idol spawn locations tweaked
  • Fix for idol pickup causing loss of functionality
  • Fix for scoring animation playing improperly
  • Fix for throwing animation playing improperly
  • Weapons
  • Fix for sniper rifle scope-in times
  • Fix for weapon progression being inappropriately earned
  • Fix for starting ammo mod on some weapons
  • Myscticals
  • Spirit of the Djinn
  • Fix for timer not working properly
  • Fix for FX not deactivating properly
  • Fix for improperly turning off during to network errors
  • Fix for icon not clearing properly when a player dies while it is active
  • Fix for not being able to purchase while wating to respawn
  • Staff of Ayar Manco received a decrease in the ammount of points it contributes towards your Support Score

1.03.013 (MP ONLY)

  • Decrease number of Warm-Up matches to unlock other playlists to 1 game
  • Decreased the maximum Warm-Up matches from 10 to 5
  • Tripled the Rank Points lost for a quit or disconnect in Ranked TDM

The developer also mentioned that the team is working on further fixes that will presumably be released in more patches down the line.