Hand-drawn shows are expensive to remaster because you cannot simply "push a button." You must re-scan thousands of cels. Given that Paramount released only a standard 1080p Blu-ray in 2024, a full 4K restoration seems unlikely until the 25th anniversary.
For your "ATLA Remastered in 1080p" project or post, here is some copy tailored to different tones: Experience the Four Nations like never before. atla remastered in 1080p
Because ATLA was created digitally in standard definition (720x480 resolution), a "native" 1080p remaster is technically impossible without reanimating the entire series from scratch. Consequently, both fan-led and official releases are high-fidelity upscales rather than true remasters. Source Material Issues Hand-drawn shows are expensive to remaster because you
Technically, Avatar was produced in standard definition (480p). While the art style is timeless, the digital releases for the last decade suffered from heavy DNR (Digital Noise Reduction) and edge enhancement, leading to waxy character models and lost background details. Because ATLA was created digitally in standard definition