On January 26, we will release an update that includes support for Apple Silicon M1.
The native support Plant for macs with Apple Silicon M1 will be released earlier in 2021.
At the moment, to continue using Plant on your new machine, please take the following steps:
Find the Sketch app in the Application folder.
Right mouse click > Get info.
In the General section > click on the check box “Open using Rosetta”.
Close the window.
Open Sketch and use Plant.