• Removed support for Django 2.1
• Added data exports in XLSX and CSV format for reports, ModelAdmin and form submissions (Jacob Topp-Mugglestone)
• Added support for creating custom reports (Jacob Topp-Mugglestone)
• Skip page validation when unpublishing a page (Samir Shah)
• Added MultipleChoiceBlock block type for StreamField (James O'Toole)
• ChoiceBlock now accepts a widget keyword argument (James O'Toole)
• Reduced contrast of rich text toolbar (Jack Paine)
• Support the rel attribute on custom ModelAdmin buttons (Andy Chosak)
• Server-side page slug generation now respects WAGTAIL_ALLOW_UNICODE_SLUGS (Arkadiusz Michał Ryś)
• Wagtail admin no longer depends on SiteMiddleware, avoiding incompatibility with Django sites framework and redundant database queries (aritas1, timmysmalls, Matt Westcott)
• Tag field autocompletion now handles custom tag models (Matt Westcott)
• wagtail_serve URL route can now be omitted for headless sites (Storm Heg)
• Allow free tagging to be disabled on custom tag models (Matt Westcott)
• Allow disabling page preview by setting preview_modes to an empty list (Casper Timmers)
• Add Vidyard to oEmbed provider list (Steve Lyall)
• Optimise compiling media definitions for complex StreamBlocks (pimarc)
• FieldPanel now accepts a 'heading' argument (Jacob Topp-Mugglestone)
• Replaced deprecated ugettext / ungettext calls with gettext / ngettext (Mohamed Feddad)
• ListBlocks now call child block bulk_to_python if defined (Andy Chosak)
• Site settings are now identifiable/cachable by request as well as site (Andy Babic)
• Added select_related attribute to site settings to enable more efficient fetching of foreign key values (Andy Babic)
• Add caching of image renditions (Tom Dyson, Tim Kamanin)
• Add documentation for reporting security issues and internationalisation (Matt Westcott)
• Fields on a custom image model can now be defined as required blank=False (Matt Westcott)
• Fix: Added ARIA alert role to live search forms in the admin (Casper Timmers)
• Fix: Reorder login form elements to match expected tab order (Kjartan Sverrisson)
• Fix: Re-add 'Close Explorer' button on mobile viewports (Sævar Öfjörð Magnússon)
• Fix: Add a more descriptive label to Password reset link for screen reader users (Casper Timmers, Martin Coote)
• Fix: Improve Wagtail logo contrast by adding a background (Brian Edelman, Simon Evans, Ben Enright)
• Fix: Prevent duplicate notification messages on page locking (Jacob Topp-Mugglestone)
• Fix: Fix InlinePanel item non field errors not visible (Storm Heg)
• Fix: {% image ... as var %} now clears the context variable when passed None as an image (Maylon Pedroso)
• Fix: refresh_index method on Elasticsearch no longer fails (Lars van de Kerkhof)
• Fix: Document tags no longer fail to update when replacing the document file at the same time (Matt Westcott)
• Fix: Prevent error from very tall / wide images being resized to 0 pixels (Fidel Ramos)
• Fix: Remove excess margin when editing snippets (Quadric)
• Fix: Added scope attribute to table headers in TableBlock output (Quadric)
• Fix: Prevent KeyError when accessing a StreamField on a deferred queryset (Paulo Alvarado)
• Fix: Hide empty 'view live' links (Karran Besen)
• Fix: Mark up a few strings for translation (Luiz Boaretto)
• Fix: Invalid focal_point attribute on image edit view (Michał (Quadric) Sieradzki)
• Fix: No longer expose the .delete() method on the default Page.objects manager (Nick Smith)
• Fix: exclude_fields_in_copy on Page models will now work for for modelcluster parental / many to many relations (LB (Ben Johnston))
• Fix: Response header (content disposition) now correctly handles filenames with non-ascii characters when using a storage backend (Rich Brennan)
• Fix: Improved accessibility fixes for main, header and footer elements in the admin page layout (Mitchel Cabuloy)
• Fix: Prevent version number from obscuring long settings menus (Naomi Morduch Toubman)
• Fix: Admin views using TemplateResponse now respect the user's language setting (Jacob Topp-Mugglestone)
• Fix: Fixed incorrect language code for Japanese in language setting dropdown (Tomonori Tanabe)