Here is the unique workflow that most forums won't tell you about.
Searching for “cakewalk sonar mac os x download exclusive” will likely lead to:
No official developer (BandLab/Cakewalk) offers this. cakewalk+sonar+mac+os+x+download+exclusive
Status: Active Development macOS Support: Yes (Apple Silicon Native)
This is likely what your search refers to. In late 2023 and 2024, the new owners (BandLab Technologies) revived the "Sonar" brand. Here is the unique workflow that most forums
For the first time in history, Sonar is officially available on macOS.
In 2018, Gibson Brands (which owned Cakewalk) announced it was ceasing development of all Cakewalk products. The brand effectively died. No official developer (BandLab/Cakewalk) offers this
Search for Cakewalk_Sonar_X1_Mac_Beta.dmg. The file size is roughly 450MB. Check the MD5 hash against community forums like KVR Audio or Gearslutz (Gearspace) before running. This is an unsupported, buggy piece of history—but for MIDI sequencing, it works surprisingly well.