You can see Psalm's support today: https://psalm.dev/r/55e554c1d8 https://psalm.dev/r/55e554c1d8 Psalm supports all the same checks on typed properties that it

You can see Psalm's support today: https://psalm.dev/r/55e554c1d8 https://psalm.dev/r/55e554c1d8 Psalm supports all the same checks on typed properties that it already does for properties with docblock-defined types, and will make sure all your properties are properly initialised in a class's constructor.