As of 2026, version 10.3.1 is considered a legacy version. It requires at least or later to run. It was also notably the version that established compatibility for macOS High Sierra . While modern versions like Logic Pro 11 have since introduced advanced AI features and Spatial Audio tools, 10.3.1 remains a milestone for those using older Intel-based hardware.
: Introduced the ability to apply effects plugins directly to a single audio region rather than an entire track. Logic Pro X 10.3.1
To understand 10.3.1, you have to look at the massive 10.3 update it stabilized: As of 2026, version 10