9to5Mac published a guide about what external display setups are supported by the new MacBook Air
What external displays are supported w/ the MacBook Air?
This step by step guide covers what external display setups and resolutions are supported with the just released 2020 MacBook Air.
The 2019 MacBook Air offered solid external display support, considering that the machine isn’t usually relied on for overly demanding workflows. But the 2020 MacBook Air refresh expands the external display options to include support for 6K displays.
What external displays are supported w/ the MacBook Air? - 9to5Mac