webp => [1, '16k²'], # 2**14
heic => [2,'8k×4k+', 'tilable, only 512×512 on Apple'], # 8193x4320
avif => [3, '65k²+', 'tilable, 7680×4320 with Advanced profile'], # 2**16
webp => [1, '16k²'], # 2**14
heic => [2,'8k×4k+', 'tilable, only 512×512 on Apple'], # 8193x4320
avif => [3, '65k²+', 'tilable, 7680×4320 with Advanced profile'], # 2**16