• List pdf in --list-output-formats.
• EPUB writer: Fix regression with --css (#5937). In 2.8 --css would not have an effect on EPUB output.
• RST writer: Use grid tables for one-column tables, since simple tables clash with heading syntax in this case (#5936).
• Add unexported module Text.Pandoc.Readers.Metadata (see #5914).
• Use doctemplates 0.7.2, which adds the nowrap filter to templates.
• Update default man template using nowrap for .TH heading (#5929).
• HTML templates: Add support for toc-title variable (#5930, Alexandre Franke).
• Remove grffile (LaTeX package) requirement in MANUAL.txt (#5927, Ian Max Andolina).
• Use skylighting 0.8.3.