- Fixed several known issues and enhanced the performance and stability of UPDF.

- UPDF AI supports custom generation of watermarks, backgrounds, stickers, and stamps.
- Generated assets support local download and one-click insertion into documents.
- Fixed known issues and optimized overall performance.

- UPDF AI supports generating bookmarks.
- UPDF AI supports summarizing content by bookmark section.

- Supports saving files in PDF/E and PDF/X formats.
- Supports adding cloud shape comments.
- Optimized dark mode effects for pages.

- Supports creating PDF portfolio.
- Custom stamps now allow setting author names.
- Optimized appearance of circular stamps.
- Notes added to comments display markers.

- Optimized AI conversation performance and stability, with dark mode support.
- Supports preset comment line styles and endpoint designs.
- Customizable total page count in Header & Footer.

- Added thickness settings for underline, strikethrough, and squiggly comments.
- Optimized file list loading performance to accelerate app responsiveness.
- Streamlined document unlocking interactions for more efficient and convenient operations.
- Enhanced scanning functionality to improve image clarity.

- Fixed several issues and improved application performance and stability.

- Supports the recognition and import of custom dynamic stamps.
- Some product problems have been fixed, and the product performance and stability have been improved.

- When using the Pencil tool, long-pressing E can temporarily switch to the Eraser.
- A document word count function has been added to Document Properties.
- Editing Mode supports filtering elements for easier editing of specific elements.
- When creating a new text block, preset alignment direction is supported.
- Support for setting whether to display the Home Page when closing the last tab.

- Improved the UPDF AI experience.
- Support for customizing the 100% zoom display ratio for pages.
- Expanded the range of attributes that support batch modification in forms.
- Optimized the display of the Document Properties panel.

- Upgraded the converter plugin to improve conversion effect.
- Supports modifying appearance attributes in bulk after selecting multiple forms.
- Improved the jumping effect for search result location.
- Fixed the abnormality in the printing function.

- Adaptation for macOS Tahoe system (enable the feature in software settings).
- Organize Pages supports displaying page size.
- Supports exporting all images within the document.
- UPDF AI supports deep research.
- Form data supports importing and exporting XFDF, XML, and TXT formats.

- Optimized element drag-and-drop interaction and improved the effect of automatic snap-to-align.
- Improved the smoothness of adding pencil annotations.
- Added support for searching selected text directly with the shortcut ⌘F.
- Upgraded the converter plugin to improve conversion results.
- Added support for attempting to restore unsaved documents after an abnormal application exit.
- Fixed several issues and improved application performance and stability.

- Supports the automatic snap alignment function when moving elements.
- Optimized the display of table content in UPDF AI conversations.
- Fixed some issues to improve product stability.

- Added text insertion annotation.
- Added text replacement annotation.
- Added measurement calibration.
- Added UPDF AI Online entry.
- Expanded supported text file formats for PDF creation.
- Expanded supported image file formats for PDF creation.
- Optimized AI chat support for LaTeX formulas.

- We've optimized the effect and efficiency of the PDF to image conversion feature.
- Now, you can move elements vertically or horizontally by holding down the Shift key.
- We've also fixed some user-reported issues, improving the software's performance and stability.

- AI Chat now supports displaying LaTeX formulas.
- Supports dragging other format files to the editor to create PDF documents.
- Supports hiding the toolbar for a more concise interface.
- UPDF AI now supports enabling deep thinking mode when generating mind maps.
- The PDF conversion plugin has been upgraded, and the conversion effect has been further improved.
- Fixed some product issues, improving performance and stability.

- Fresh Look, Double the Efficiency! UPDF 2.0 new version is a free upgrade, packed with constant surprises! Welcome all users to experience the new UPDF 2.0 immediately!
- All-New UI, Personalized Skins: Customize your exclusive style.
- Efficient tools, more convenient batch operations.
- Reading Upgrade: Eye-protection mode is more thoughtful.
- Continuous Feature Updates: Surprises await everywhere.

- Enhance application stability to ensure more stable product usage.

- The UPDF AI Chat module has been integrated with the DeepSeek-R1 model.

- Enhance application stability to ensure more stable product usage.

- Enhance the display effect of annotations.
- Improve the clarity of signature display.
- Fix the issue of failure when exporting encrypted documents to PDF/A format.
- Enhance application stability to ensure more stable product usage.

- Some user-reported issues have been fixed, enhancing product quality and operational performance.