Below is a list of the new features in PDF Studio Viewer 2022 – Qoppa’s Free PDF Reader, Annotator & Form Filler – released May 31 2022.
Qoppa Software also publishes a PDF editing application and you can also review the new features in PDF Studio 2022 – Advanced PDF Editor.
New Major Features in Version 2022
- Comments Pane Improvements — See Video
 - Thumbnail Preview on Windows
 - Gray/Monotone Icons Theme — See Video
 - Multithreaded Tile Factory for up to 6x performance boost in rendering documents
 - And Much More…
 
New Features
- New Document Permissions Panel – PS-5602
 - New Document Properties Metadata dialog – PS-5742
 - New Monotone icons and user preference – PS-6005
 - “Enhance thin lines” preference option – PS-5879
 
Enhancements
- Sticky note now displays pop up note by default – PS-5933
 - New “Copy note” option in annotation context menu – PS-5393
 - New option to hide annotation note bubble – PS-5873
 - Added “No to all” option when closing multiple tabs – PS-5910
 - New options in Initial View document properties – PS-5644
- Window Options: Resize window to initial page, Center window in screen, File name or document title
 - UI Options: Hide Menu Bar, Hide Toolbar, Hide window controls
 
 - Ribbon toolbar icon enhancements – PS-5707, PS-5967, PS-6006, PS-6007, PS-6034, PS-6018
 - Updated text selection context menu options – PS-5670
 - Added “Search Google for…” text select context menu option – PS-5929
 - Added “Set as default” to annotation right click context menu – PS-5930
 - Add tooltips to bookmarks to display page info and zoom – PS-5882
 - Date Button format now defaults to user locale – PS-5906
 - Mini toolbar: Add text color for typewriter, text box and callout + allow empty border color – PS-6035
 - Show filename on password dialog – PS-5889
 - Signature & document permission banner improvements – PS6105
 - Improved tool search results to also include panes and submenus – PS-6037
 - Toolbar spacing and layout issues on 4k monitors & addition design tweaks – PS-6021
 - Update tooltip color to match selected theme – PS-5983
 - Add “Count” and “Sum” labels for multiselected annotations PS-6169
 - Filter out comment panel search results – PS-5390
 - Add colors for all annotation types in comments pane – PS-3968
 - Improved support for Apple M1 devices – (see Apple M1 ARM Chip Support)
 
 Performance
- Multithreaded Tile Factory for up to 6x performance boost in rendering documents – JPDF-1825
 - Only prompt for JavaScript when it’s encountered rather than when opening the PDF – JPDF-1815
 
- Updated OneDrive SDK – PS-5970
 - Updated DropBox API – PS-5314
 
- Display Full Certificate Chain for Timestamp Authorities (TSA) – PS-5099
 - Support for new digital signature algorithms including “RSASSA-PSS” and “Skribble” for Switzerland – PS-6011
 - Fixed signature vulnerability for incremental save attack from PDF Researchers JPDF-1872
- Submitted by: Raphael Sütterlin of the Ruhr-Universität Bochum, Chair for Network and Data Security
 
 
 Bookmarks
- Show invalid bookmark icon when missing action or page reference – PS-5881
 
- (Windows) Thumbnail handler – PS-4694
 - Added support for protocols to allow launching PDF Studio Viewer from a web page – PS-5470
 - Many other internal bugs & fixes