Secure PDF Viewer

Dec 7, 2022

Notable changes in version 16:

• horizontally and vertically center canvas and text layer along with fixing text layer alignment in some cases
• set minimum WebView font size to 1px instead of the default 8px to fix text layer alignment issues with tiny fonts
• fix typo causing page rendering cache misses
• add handling for exceptions caused by edge cases
• update pdf.js to 3.1.81
• update Gradle plugins

See https://github.com/GrapheneOS/PdfViewer/releases/tag/16 for the full release notes.