This week, Microsoft finally released the second service pack for Windows Vista on Windows Update. The new pack apparently includes quite a few improvements and bugfixes. The most noticeable one, for me, is the fact that thumbnail rendering finally works properly. Although Microsoft denied that this was a bug in Vista for years (claiming it was a bug in the ffmpeg codec, instead), the new service pack appears to have fixed the issue.
Windows Explorer no longer crashes when you have thumbnails enabled, meaning that you don’t need to use an external program like Adobe Bridge to view thumbnails of your photos and videos any more.
What other improvements and fixes have you noticed in the new service pack?