- Dark mode implemented for supporting OSs.
- On desktop systems, right-click can be used on output lists.
- File sizes reduced for faster updating/loading.
- Major internal changes for compatability with macOS Catalina/Safari 13, iOS 13 and iPadOS 13
- Project files can now be renamed.
- Contents of project files can now be reordered.
- Now fully compliant with Progressive Web App (PWA) specifications.
- On Windows and Mac, Fullsteam UV can be run as a standalone app from the desktop (Chrome browser only).
- Backup/recovery system for registration codes built into app.
- Initial release of Fullsteam UV universal web app.
- Supercedes Android v2.51 and iOS v.1.25.
- Vertigo unit conversions incorporated into app.