v2.2.0

✨ Features

• SEO: emit <link rel="alternate" hreflang> cross-language tags (with x-default) on localized blog pages — post, index, category, tag and series — using each locale's translated slug (#336)
• Admin: add a reload (↻) suffix action on the slug field of all content type forms (blog posts, series, categories, tags, CMS pages) to regenerate the slug from the title/name (#334)