• Add warning when WAGTAILADMIN_BASE_URL is not configured (Matt Westcott)
• Fix: Ensure TabbedInterface will not show a tab if no panels are visible due to permissions (Paarth Agarwal)
• Fix: Specific snippets list language picker was not properly styled (Sage Abdullah)
• Fix: Ensure the upgrade notification request for the latest release, which can be disabled via the WAGTAIL_ENABLE_UPDATE_CHECK sends the referrer origin with strict-origin-when-cross-origin (Karl Hobley)
• Fix: Fix misaligned spinner icon on page action button (LB (Ben Johnston))
• Fix: Ensure radio buttons / checkboxes display vertically under Django 4.0 (Matt Westcott)
• Fix: Prevent failures when splitting blocks at the start or end of a block, or with highlighted text (Jacob Topp-Mugglestone)
• Fix: Allow scheduled publishing to complete when the initial editor did not have publish permission (Matt Westcott)
• Fix: Stop emails from breaking when WAGTAILADMIN_BASE_URL is absent due to the request object not being available (Matt Westcott)
• Fix: Make try/except on sending email less broad so that legitimate template rendering errors are exposed (Matt Westcott)