The wiki-to-markdown converter migrated legacy JSPWiki syntax pages to Markdown format. This was a prerequisite for the knowledge graph (which parses YAML frontmatter from Markdown pages) and the blog feature (which uses Markdown rendering).
!!!, !!, !) converted to Markdown headings (#, ##, ###)[PageName]) converted to Markdown linksDuring conversion, YAML frontmatter was added to pages that lacked it, with basic metadata fields (summary, tags, type, status).