Say Hello to Acorn 8: https://shapeof.com/archives/2024/12/say_hello_to_acorn_8.html

Mask Subject, Remove Background, LUTs, Data Merge, Quick Processor, Canvas Ruler, new shape tools, Export Presets, SVG improvements, QOL things, in/cm support in all the UI, Shortcuts rewritten to use App Intents, JPEG-XL support, Live Text. And more.

It's on sale for a limited time, so grab it at a discount while you can: https://flyingmeat.com/acorn/

Acorn is one of the few remaining independent full featured image editors left, built just for macOS.