| ⇢ | A | ConformerIterator added | |
| ⇢ | A | ConformerView added | |
| A | ↛ | Point3D removed | |
| A | ↛ | AtomView removed | |
| A | ↛ | Atom removed |
| ⇢ | B | Conformer.positions() added | |
| ⇢ | A | ConformerView.__setitem__() added | |
| ⇢ | A | Conformer._inertia_tensor() added | |
| ⇢ | A | Conformer.owner() added | |
| ⇢ | A | Conformer.is_3d() added | |
| ⇢ | A | Conformer.geometric_centre() added | |
| ⇢ | A | Bond.is_in_ring() added | |
| ⇢ | A | Conformer.centre_representation() added | |
| ⇢ | A | ConformerIterator.__next__() added | |
| ⇢ | A | BondView.is_aromatic() added | |
| ⋮ | view more | ||
| B | ↘ | C | PropertyView.__setitem__() got worse |
| A | ↛ | AtomView.index() removed | |
| A | ↛ | Atom.atomic_number() removed | |
| A | ↛ | Atom.__repr__() removed | |
| A | ↛ | AtomView.atomic_mass() removed | |
| A | ↛ | AtomView.atomic_number() removed | |
| A | ↛ | Point3D.__repr__() removed | |
| A | ↛ | Mol._repr_javascript() removed | |
| A | ↛ | Point3D.to_dict() removed | |
| A | ↛ | Mol._two_d() removed | |
| A | ↛ | Conformer.is_three_d() removed | |
| ⋮ | view more | ||