X3D version 4.0 was approved by Web3D Consortium and ISO in 2023. X3D version 4.0 offers many new features including interoperability with HTML5, glTF 2.0 Physically Based Rendering (PBR), and Web Audio API. <meta name='warning' content='not yet tested, need to compare with NancyDivingExample interpolators'/> Missing connection for field in ProtoBody: <ProtoDeclare name='LOA1_DivingAnimation'> <ProtoInterface> <field name='lower_body_rotation_changed' accessType='outputOnly' type='SFRotation'/> is unused with no <ProtoDeclare name='LOA1_DivingAnimation'> <ProtoBody> ... <IS> <connect protoField='lower_body_rotation_changed' nodeField='someParentNodeFieldName'/> found in corresponding ProtoBody content Missing connection for field in ProtoBody: <ProtoDeclare name='LOA1_DivingAnimation'> <ProtoInterface> <field name='l_midtarsal_rotation_changed' accessType='outputOnly' type='SFRotation'/> is unused with no <ProtoDeclare name='LOA1_DivingAnimation'> <ProtoBody> ... <IS> <connect protoField='l_midtarsal_rotation_changed' nodeField='someParentNodeFieldName'/> found in corresponding ProtoBody content Missing connection for field in ProtoBody: <ProtoDeclare name='LOA1_DivingAnimation'> <ProtoInterface> <field name='r_midtarsal_rotation_changed' accessType='outputOnly' type='SFRotation'/> is unused with no <ProtoDeclare name='LOA1_DivingAnimation'> <ProtoBody> ... <IS> <connect protoField='r_midtarsal_rotation_changed' nodeField='someParentNodeFieldName'/> found in corresponding ProtoBody content