A: 1.4.4.10 is a tiny hotfix (controller mapping on Steam Deck). On Mac, 1.4.4.9 is identical in gameplay.
The official is now a free DLC on Steam. It has native Mac support. Terraria 1.4.4.9- Free Download Mac
Some educational institutions or community programs offer free access to games like Terraria for educational purposes. Terraria 1.4.4.9- Free Download Mac
Re-Logic has since updated the game to ensure it runs via Steam Play (Proton) on modern macOS systems, but it requires specific settings. Because the developers focus primarily on the Windows version, the Mac iteration often lags behind in optimization compared to its PC counterpart. Terraria 1.4.4.9- Free Download Mac
Wait for seasonal sales. Terraria drops to $4.99 (sometimes $2.99) during Steam Summer/Winter sales. The demo is also available for free.