• Added a distinct 'choose' permission for images and documents (Robert Rollins)
• StreamField values can now be modified in-place (Matt Westcott)
• Added support for custom admin color themes (Joshua Marantz)
• Added support for Python 3.9
• Added WAGTAILIMAGES_IMAGE_FORM_BASE and WAGTAILDOCS_DOCUMENT_FORM_BASE settings to customise the forms for images and documents (Dan Braghis)
• Switch pagination icons to use SVG instead of icon fonts (Scott Cranfill)
• Added string representation to image Format class (Andreas Nüßlein)
• Support returning None from register_page_action_menu_item and register_snippet_action_menu_item to skip registering an item (Vadim Karpenko)
• Fields on a custom image model can now be defined as required / blank=False (Matt Westcott)
• Add combined index for Postgres search backend (Will Giddens)
• Add Page.specific_deferred property for accessing specific page instance without up-front database queries (Andy Babic)
• Add hash lookup to embeds to support URLs longer than 255 characters (Coen van der Kamp)
• Fix: Stop menu icon overlapping the breadcrumb on small viewport widths in page editor (Karran Besen)
• Fix: Make sure document chooser pagination preserves the selected collection when moving between pages (Alex Sa)
• Fix: Gracefully handle oEmbed endpoints returning non-JSON responses (Matt Westcott)
• Fix: Fix unique constraint on WorkflowState for SQL Server compatibility (David Beitey)
• Fix: Reinstate chevron on collection dropdown (Mike Brown)