Are Apple Silicon chips supported on Mac computers?

Yes, WriteMapper supports Apple Silicon on macOS.

Starting version 3.0.0 of WriteMapper, the app now supports the optimizations for Apple's M-series hardware chips, enabling even better app performance to help with your productivity output.

The downloaded WriteMapper macOS DMG installer is a universal package, and the appropriate version of the app will be automatically installed during the install process, depending on if your device uses an Intel or Apple chipset.

You may refer to this support article from Apple for a reference on if your Mac uses an Apple silicon chip.