Sucker Punch has updated Ghost of Tsushima to version 2.09 today. You can find out the complete patch notes for this update from here.
This patch addresses a crash issue and also fixes some bugs with the Iki lighthouses. You can find out the details on the bug fixes in the patch notes below, or view them from the official tweet.
Ghost of Tsushima Update 2.09 Patch Notes
Patch 2.09 is now live for #GhostOfTsushima Director’s Cut. This patch fixes a crash some users were experiencing, resolves an issue with Iki lighthouses, and includes adjustments for matchmaking in Legends.