Fixed a bug where the "Save" button was disabled in OneUp mode for folders or albums containing more than 500 photos.
Picasa saves a hidden copy of your original photo, allowing you to experiment with filters, cropping, and color correction without ever losing the original file.
Addressed a flaw that caused video thumbnails to break during the upload process. Compatibility with Windows 10 and 11 Picasa 3.9.138.150 for Windows
This specific update was a "bug-fix" release that improved the program's reliability for power users:
As of 2026, Picasa 3.9.138.150 remains functionally compatible with modern operating systems like Windows 10 and Windows 11. However, users should keep two things in mind: Photos Resources - Release notes Picasa3 Fixed a bug where the "Save" button was
One of Picasa’s standout tools is its ability to scan libraries and group photos by face , making it easy to tag and find specific people.
Corrected issues where file extensions were not properly preserved during "Save As" operations. Compatibility with Windows 10 and 11 This specific
Includes a collage maker , poster creation, and "Face Movie" generation, which creates video slideshows centered on a specific person. Improvements in Build 3.9.138.150