Hi,
Since we can put *.articyu3d file in any folder we need (ArticyContent for example) it expected that localization xsls files should be places in same folder as articyu3d file. Now this is broken - localization works just in case xsls files places just in Assets folder.
Stept to reproduce:
1. Export any project you want to Unity.
2. Place articyu3d to any folder you want.
3. Reimport and check that localization works.
4. Move xsls files to articyu3d folder.
5. Reimport and check that localization fails.