First, the vanilla perspective. If you don't mod, here’s what 1.37.4 brings to the table over, say, 1.34:
If you are currently on a newer version (V1.38, V1.39, or V1.40) and want to experience the modded paradise of V1.37.4, follow this step-by-step guide. Beat Saber VR V1.37.4
No version is perfect. Here are the common pain points reported by the community: First, the vanilla perspective
BSManager is a third-party launcher that has revolutionized modding. If you are currently on a newer version (V1
Pro-Tip: Always back up your CustomSongs and UserData folders before downgrading.