: The latest version of Illustrator (v28.0+ / 2024–2025) typically requires macOS 11 (Big Sur) or later and is not supported on Catalina.
: Located under the Eraser tool. Hold Alt/Option while dragging to cut a shape in a straight line. adobe illustrator macos catalina
Adobe and Apple no longer provide active security updates for macOS Catalina. If your hardware allows it, upgrading your Mac is recommended for the best security and access to the latest Illustrator features. : The latest version of Illustrator (v28