DllNotFoundException: libdl.so on macOS 11.1 and Unity 2020.1.3f

[eastskykang]

Plugin fails to load Assimp

DllNotFoundException: libdl.so
Assimp.Unmanaged.UnmanagedLibrary+UnmanagedLinuxLibraryImplementation.NativeLoadLibrary (System.String path) (at <d40f2b0ad6814d4c8094142d8473733f>:0)
Assimp.Unmanaged.UnmanagedLibrary+UnmanagedLibraryImplementation.LoadLibrary (System.String path) (at <d40f2b0ad6814d4c8094142d8473733f>:0)
Assimp.Unmanaged.UnmanagedLibrary.LoadLibrary (System.String libPath) (at <d40f2b0ad6814d4c8094142d8473733f>:0)
Assimp.Unmanaged.UnmanagedLibrary.LoadLibrary () (at <d40f2b0ad6814d4c8094142d8473733f>:0)
Assimp.AssimpUnity.InitializePlugin () (at Library/PackageCache/com.donghok.meshimporter@2918f2fe44/Runtime/Plugins/AssimpNet/AssimpUnity.cs:158)

System info: macOS 11.1 and Unity 2020.1.3f