Version `4.0.3 is released `_ This is strictly a bugfix release, which fixes the following issues: * Handle empty posts without crashing. * Treat wordpress imported posts as Markdown. * Download attachments from wordpress * Fix links to attachments so they work * Change the global/local order of contexts on templates. * Link tag's feed in tag's pages. * Fix empty tag feeds. * Refactored Post out of nikola.py