Bethesda has issued the new Fallout 1.4 beta update which brings several performance improvements and bug fixes.
According to release notes published over at Bethesda's site, the new Fallout 4 1.4 beta update brings general stability and performance improvements as well as plenty of bug fixes. The list is quite extensive and hopefully managed to get most, if not all, of the annoying bugs in the game.
The new Fallout 1.4 beta update also adds a couple of new features to the game including some new settlement customization options.
Bear in mind that you need to enable beta updates in Steam in case you want the new update.
Source:
Bethesda.net.