Apple posted an Aperture Update, 1.5.6, on Friday. The updated is recommened for all users and supports Leopard.
"Aperture 1.5.6 addresses issues related to performance, improves overall stability, and supports compatibility with Mac OS X v10.5. This update is recommended for all Aperture users," Apple said.
Additional information is in article ID # 306387 cites the changes in addition to Leopard compatibility:
- Resolves some minor compatibility issues with iPhoto 7.1, which organizes images by Event rather than Roll.
- Addresses issues related to metadata and sort order when sharing previews with iLife Media Browser.
- Improves reliability of queries based on Import Session.
- Addresses reliability when recovering an Aperture Library from a Vault.