v3.8.6

Bug Fixes

• Update log output for an invalid theme directory (#7734)
• Memoize SiteDrop#documents to reduce allocations (#7722)
• Excerpt handling of custom and intermediate tags (#7467)
• Escape valid special chars in a site's path name (#7573)
• Revert memoizing Site#docs_to_write and refactor #documents (#7689)
• Fix broken include_relative usage in excerpt (#7690)
• Install platform-specific gems as required (3c06609)

Security Fixes

• Theme gems: ensure directories aren't symlinks (#7424)