PDF annotations

PDF annotations are in beta. Please read this first (12)
PDF viewer beta - screen shader extension (3)
Annotations using stylus on Chromebook (9)
Can't select PDF text when search is active (4)
[Bug] Comments made in MetaPDF cannot be seen in Mac Preview (11)
Collaborative annotations inside paperpile (1)
MetaPDF issues with highlighting and comments (6)
Highlight and annotate PDFs in Paperpile ( 2 ) (36)
Cannot highlight text that includes text search results (12)
"Back" and "Forward" for document navigation (5)
PDF viewer should not default to showing comments (esp. when there are none) (4)
Adjust PDF page number to actual page numbers of the article in the journal (16)
"File is encrypted" ... but its not? (3)
4 features for an effective PDF editor (5)
Annotating Paperpile documents on iPad Pro (3)
Search annotations (3)
Highlights completely obscure text when printing documents (8)
MetaPDF fonts look pretty bad on Windows (1)
Metapdf crashes when accessing same file in parallel from same account (1)
[bug] Highlighting doesn't highlight what I select (2)
MetaPDF keeps losing connection to the internet (4)
Publish MetaPDF extension on the Chrome web Store (4)
MetaPDF unresponsive on a long pdf ( 2 ) (24)
Bug: My PDFs don't work (1)
[BUG] Toolbar disappears in narrow width window (2)
Not enough permission for pdf annotation (2)
Strikethrough mark-up is formatting comments as well (4)
Scribbling (handwriting) and stylus support (5)
MetaPDF highlights missing letters, OR highlight adjustments (7)
Unable to export OPML (5)