The texture display in the asset viewer works fine, but when I export (which in my case is 4096x4096) it only does 512x512. From my testing It’s like this on all versions newer than 18 December 2021. Gaijin please fix the CDK.
I’ve been having the same issue. For me it’s happening on all versions, even the pre 18 Dec 2021 build.
This is strange considering I’ve previously downloaded the CDK asset viewer in 2023 and had no issues. Yet when I recently re-downloaded it this started occurring.
I made this skin with the 2023 version and textures exported at full resolution as intended: