4.0.0-beta.5

What's Changed

• [2.x] Resolve tag breadcrumb ancestry from an in-memory map (fix per-level N+1) by @imorland in #176
• [2.x] Make answer/comment URLs unique with a #post-{id} fragment by @imorland in #175

Full Changelog: 4.0.0-beta.4...4.0.0-beta.5