Ghost of Tsushima has been updated to version 1.15 by Sucker Punch. This update implements general bug fixes as mentioned in the patch notes.
The download size of this patch is roughly under 500 MB. It has been released after the launch of the last update which added support for Legends Raid. Sucker Punch has continued to update the game, even adding a 60 FPS mode to it for the PS5.
Ghost of Tsushima has also received a free multiplayer mode called Legends. The last major patch to the game implemented support for Raids in the Legends multiplayer mode. This new one appears to resolve some of the bugs introduced with the last patch.
Update: Here is more detail on what has been fixed in this patch.
The game is playable on the PS5 with a 60 FPS performance mode. It was running at 30 FPS on the PS4 and PS4 Pro so the performance mode has been patched in with a new update. According to the impressions of this mode, it runs at a solid 60 FPS for the majority of the game.
Ghost of Tsushima is one of the fastest-selling new IP by Sony Interactive Entertainment. It was the second major project from Sucker Punch after they helped with the launch of the PS4 with the release of inFamous: Second Son and its standalone expansion, inFamous: First Light.