Hi, OpenSlide 3.3.2 has been released. It fixes seams in MIRAX 2.2 slides, fixes associated images in single-level Aperio slides, and improves performance on MIRAX and Hamamatsu VMU. Windows build 20121201 also fixes a serious, Windows-specific thread safety issue. As usual, they're at: http://openslide.org/download Thanks, --Benjamin Gilbert