Apple released iPhoto 9.5.1 on Wednesday, an update that fixes a preview issue. The patch notes also include unspecified improvements.
The patch notes in full:
- Fixes an issue that could cause print previews to render incorrectly
- Includes stability and performance improvements.
The update is available through the Mac App Store. It showed as a 1.15GB download when we downloaded it, but your mileage may vary.