I feel that sorcerers are very solid and competitive now. However, I make a slight modification to the base class, as described below.
Font Fueled. If your Sorcerer subclass offers a list of always prepared spells, you can also cast those spells at their lowest level without a spell slot or spell components other than costly materials, by spending Sorcery Points equal to the spell's level (cantrips cost 0 Sorcery Points).
This homebrewed subclass offers Celestial Soul, a port of the Divine Soul from Xanathar's, for sorcerers whose magical power originates from a Celestial source.
This homebrewed subclass offers Elemental Air, for sorcerers whose magical power originates from the Elemental Plane of Air.
This homebrewed subclass offers Elemental Earth, for sorcerers whose magical power originates from the Elemental Plane of Earth.
This homebrewed subclass offers Elemental Fire, for sorcerers whose magical power originates from the Elemental Plane of Fire.
This homebrewed subclass offers Elemental Water, for sorcerers whose magical power originates from the Elemental Plane of Water.