Apple Update Aperture To Version 2.1

Apple have indicated that the 2.1 update "addresses issues related to performance and overall stability." The update also fixes a number of "minor" issues, including Upgrading libraries from earlier versions of Aperture, Publishing .Mac Web Gallery albums, Preview generation and deletion, Creating and ordering books, Appearance of metadata overlays in the Browser, Filmstrip, and on light tables, Watermarking of emailed photos, Highlight Hot and Cold Areas

It also fixes a number of other minor issues, some involving the following areas: Loupe, Smart Albums, Straighten Tool, Filmstrip, Drag and drop import, Thumbnail generation, Import window and Export plug-in reliability. The update is covered in detail here.