Apple has released Aperture 1.5.3 Update, the latest version of its all-in-one post production tool for photographers. Version 1.5.3 addresses issues related to overall reliability and performance in a number of areas, including: generation of thumbnails for adjusted images; entering and exiting Full Screen mode; working with large sets of keywords in the Keywords HUD; restoring from a vault; and addresses a number of other specific issues with the software.