They have the least bugs, but some newest features might not be available. Stable builds are released once a new iteration of BepInEx is considered feature-complete.
Where to download BepInExīepInEx is distributed in two builds: stable and bleeding edge. However, support for it is planned as the tooling has gotten better thanks to projects like Il2CppAssemblyUnhollower. Games built with IL2CPP are not supported at the moment.
Debugging all game assemblies with dnSpy.Running under Proton/Wine (Linux/Mac/SteamOS/etc.).Running native Unix games through Steam.