3.3 release

Changes in this release:

• added support for adding / removing / editing annotations in PDF files
• new toolbar that scales with DPI and uses vector icons
• added rotate left / right to the toolbar
• added ability to hide scrollbar (more screen space for the document). Use right-click context menu.
• add -paperkind=${num} printing option

Full release notes: https://www.sumatrapdfreader.org/docs/Version-history

3.2 release

Changes in this release: https://www.sumatrapdfreader.org/docs/Version-3.2.html

SumatraPDF 3.1.1 release

• (re)add support for old processors that don’t have SSE2
• support newer versions of unrar.dll
• allow keeping browser plugin if it’s already installed
• crash fixes

SumatraPDF 3.1 release

• 64bit builds
• all documents are restored at startup if a window with multiple tabs is closed (or if closing happened through File -> Exit); this can be disabled through the RestoreSession advanced setting
• printing happens (again) always as image which leads to more reliable results at the cost of requiring more printer memory; the "Print as Image" advanced printing option has been removed
• scrolling with touchpad (e.g. on Surface Pro) now works
• many crash and other bug fixes