- Fix: wagtailfrontendcache no longer tries to purge pages that are not in a site
- Fix: The contents of elements in the rich text editor were not being whitelisted
- Fix: Due to the above issue, embeds/images in a rich text field would sometimes be saved into the database in their editor representation
- Fix: RoutablePage now prevents subpage_urls from being defined as a property, which would cause a memory leak
- Fix: Added validation to prevent pages being created with only whitespace characters in their title fields (Frank Wiles)
- Fix: Prevent logout on changing password when SessionAuthenticationMiddleware is in use
- Fix: Work around a Python / Django issue that prevented documents with certain non-ASCII filenames from being served