If you are looking for the latest official story developments, the most significant changes arrived with the 1.0 Full Release
While "v48738" is a technical build number rather than a formal patch name like "Update 15," recent major developments in Sons of the Forest include the following features and content: Key Features in Recent Official Builds
Base builders will find plenty to love in this update. The developers have introduced "structural reinforcement" mechanics. By using the new solafite-infused coating, players can now strengthen wooden defensive walls, giving them a metallic sheen and significantly higher resistance to brute-force attacks from mutants. Additionally, a new "Rune Lamp" craftable has been added, providing a permanent, dim purple light source that doesn't require batteries, provided it is placed near an active cave entrance.
The final "???" piece is now findable, allowing you to complete the golden device.