Sumatra PDF 3.4.1 [Update]

Sumatra PDF

Sumatra PDF is a free PDF, eBook (MOBI), XPS, DjVu, CHM, Comic Book (CBZ and CBR) reader for Windows. Sumatra PDF is small and starts up very fast. Simplicity of the user interface has a high priority. Portable version included (a single executable that can be run e.g. from USB drive and doesn't write to registry).

Sumatra PDF 3.4 changelog:

Command Palette
customizable keyboard shortcuts
better support for epub files using mupdf's epub engine. Adds text selection and search in ebook files
search / translate selected text with web services
we have few built-in and you can add your own
installer: -all-users cmd-line arg for system-wide install
added Annotations.TextIconColor and TextIconType advanced settings
added Annotations.UnderlineColor advanced setting
added Annotations.DefaultAuthor advanced setting
i keyboard shortcuts inverts document colors Shift + i does what i used to do i.e. show page number
u and Shift + u keyboard shortcuts adds underline annotation for currently selected text
Delete / Backspace keyboard shortcuts delete an annotation under mouse cursor
support .svg files
faster scrolling with mouse wheel when cursor over scrollbar
add -search cmd-line option and [Search("", "")] DDE command
a way to get list of used fonts in properties window
support opening .heic image files (if Windows heic codec is installed)
add experimental smooth scrolling (enabled with SmoothScrolling advanced setting)