Despite the fact that some of the old parts have already officially moved to macOS, GTA 5 is in no hurry to do so. However, there are always workarounds.
One of these ways (the CrossOver program, which emulates the Windows API) was taken by enthusiast Andrew Tsai, who launched the “five” on the new MacBook Pro 16, which features the most powerful chips in the history of Apple. At 1080p with medium settings, the game showed a result of 50-70 frames per second.
Source: gta.com.ua