Issue 338: Django 6.1 alpha 1 released

Django News Newsletter issue 338 covers the release of Django 6.1 alpha 1, with highlights including deprecation of QuerySet.select_related() with no arguments, a new preserve_request attribute on RedirectView for 307/308 redirects, and admin actions now appearing on the object edit page. The issue also covers Wagtail accessibility statistics for GAAD 2026, multiple PyCon US 2026 recaps, PostgreSQL 19 Beta notable features, Python 3.15 beta 1 updates, and several open source Django projects including a Caddy plugin for Python apps and a Django email learning platform.