Seemingly at random, an exported image (to png) is super low res, and smeared. Exporting again has the same outcome. Linked are two exports of the same (Panasonic S5 raw) image. One from Nitro, and the other from Affinity Photo2.
Nitro version 2024.10 (61)
MacOS Sequoia 15.1
M2 Macbook Pro
Unfortunately, I cannot tell what is wrong based on what you have provided. Please email support@gentlemencoders.com so we can walk through what is happening.