Cumulative update

Added support for Markdown (CommonMark, GitHub Flavored Markdown, Pandoc and other dialects)
Added support for VTT Subtitles (WebVTT)
Implemented import of GlossML files from Anchovy into Swordfish glossaries
Added display of hybrid (semantic) score + fuzzy score for XLIFF files enriched by HybridTM.
Improved support for Articulate files
Updated OpenXLIFF Filters to version 6.2.1