If you you are missing VSTs after you installed Reason 12.6 or later on your Apple Silicon (M1/M2) Mac, please check the following:
- Check with the VST manufacturer and ensure that the VSTs are natively compatible with Apple Silicon. Download and install newer VST versions if required.
- If the VSTs aren't available in native Apple Silicon versions you could run Reason 12.6 or later in Rosetta mode. Shut down Reason 12, right click the Reason 12 app icon in Finder and tick the "Open using Rosetta" box. Then launch Reason 12.