: A new "smooth corner" style was introduced, allowing designers to adjust the radius of individual corners to create "squircles," a signature aesthetic in Apple's own hardware and software design language. Professional Feature Set
While 3.1.1 was a point release focusing on stability and refinement, it sat upon the "Marble" foundation that expanded Pixelmator's professional reach: Pixelmator Pro 3.1.1
In the years following 3.1.1, the landscape for Pixelmator changed drastically. By early 2026, Apple officially acquired the Pixelmator Team and integrated the software into the subscription bundle. While the app began as a "prosumer" alternative to Adobe Photoshop, versions like 3.1.1 were the turning point where it began to leverage deep system-level integration and Apple Silicon performance to rival industry leaders. : A new "smooth corner" style was introduced,
Pixelmator Pro 3.1.1, released in November 2022, represented a major step in the software's transition toward becoming a heavy-duty professional editor. This specific update followed the milestone "Marble" 3.1 release and was designed to solidify performance on Apple's latest hardware and operating systems at the time. While the app began as a "prosumer" alternative
: Performance was significantly boosted, allowing users to preview and open large, complex documents—such as mockups—much faster than in previous versions.
: It introduced native support for the AVIF (AV1 Image File Format), a modern image format that provides superior compression and higher quality compared to traditional JPEGs.