Which versions of macOS are supported?
Wallper runs on macOS 12 Monterey and newer, with full native support for Apple Silicon (M1, M2, M3 and later).
The app ships as a universal binary, so it runs natively on both Apple Silicon and Intel Macs. We actively test on the two most recent major releases of macOS, and older versions back to Monterey are supported on a best‑effort basis.
On Apple Silicon you get hardware‑accelerated HEVC and H.264 decoding, which is why 4K playback barely registers on the CPU. On Intel Macs with discrete GPUs the cost is slightly higher but still well below what a typical screensaver would consume.