• Filename handling
• No global file names
• Filenames are now case sensitive
• Filenames can contain utf-8 characters
• Use spaces in filenames
• Use file extensions
• Compatibility Option
• Metadata: YAML Frontmatter
• No more custom metadata tags
• YAML
• Gollum-predefined keys
• Global metadata
• Custom titles
• Rendering front matter
• Enabling header counting
• Anchors
• Bibliographies, citations, and footnotes.
• Escaping emoji tags
• --page-file-dir option is now invisible to the user
• Video & Audio Macro
• Note & Warn Macro
• Octicon Macro
• Support for redirects
• Image Options
• Support for annotations using CriticMarkup
• Support for Right-To-Left direction text
• Secure custom.css and custom.js
• Editable sections
• New Primer.css layout
• RSS Feed
• Migrating your wiki
• Migration Script
• Bugfixes