Thread:Project:Support desk/InstantCommons - Location of generated thumbs

I am working in an symlinked environment using a single codebase for multiple wikis. One strange, at least to me, thing occurs when using InstantCommons. The generated thumbs for files embedded via InstantCommons end up in the image directory of the symlinked codebase and not in the image directory of the respective wiki which is obviously not symlinked. Is this the intended behaviour? This started with the upgrade from MW 1.20 to MW 1.21 as far as I can verify. The thumbs of directly uploaded images end up in the expected location, i.e. /images/thumb/ of the respective wiki.