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wire 2026-06-19
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$ the-wire · showcase

DJANGO FIXES PREFETCH_RELATED ASYNC TRAP AND ADMIN DEFAULT DISPLAY BUG

By RepoJournal · Filed · About Django · Composed from the cited sources · methodology

dependabot[bot] ZhengKangYang felixxm
3 people shipped this
dependabot[bot] @dependabot[bot] 3 cited ZhengKangYang @ZhengKangYang 1 cited felixxm @felixxm 1 cited

Django patched a critical async iteration bug that silently multiplies database queries when prefetch_related is used without an explicit chunk_size parameter.

The async iterator bug [1] is the kind of silent performance killer that survives code review: QuerySet.aiterator() was missing the same validation that the synchronous iterator() received months ago, so developers using prefetch_related could accidentally trigger a query explosion without any warning. This lands alongside a fix [2] to the admin interface, where database default values now correctly display as empty rather than showing raw defaults, improving the user experience for anyone managing records with computed fields. The django/djangoproject.com team also shipped FontAwesome icon replacements [3] for the dark mode toggle, removing inline SVG sprites from the base template for cleaner rendering. On the dependency front, the site bumped codecov-action to 6.0.1 [4] which patches a template injection vulnerability (VULN-1652), requests to 2.34.2 [5], and sentry-sdk to 2.60.0 [6] for improved gen_ai span handling.

Action items

References

  1. [1] Fixed #37143 -- Added missing chunk_size=None check to QuerySet.aiterator(). ↗ django/django
  2. [2] Fixed #37168 -- Made admin display database defaults as empty values. ↗ django/django
  3. [3] Changed dark mode theme switcher to FontAwesome icons. (#2652) ↗ django/djangoproject.com
  4. [4] Bump codecov/codecov-action from 6 to 6.0.1 ↗ django/djangoproject.com
  5. [5] Bump requests from 2.33.1 to 2.34.2 in /requirements ↗ django/djangoproject.com
  6. [6] Bump sentry-sdk from 2.59.0 to 2.60.0 in /requirements ↗ django/djangoproject.com

$ ls django/reviews/ # the step-back reads

the week in review Django drops PostgreSQL 15 and PostGIS 3.2 the month in review Django 6.1, four CVEs, and a parallel-test fix that kills flaky runs
Topics: Python Full archive → Weekly reviews →

Quick answers

What shipped in Django on June 19, 2026?
Django patched a critical async iteration bug that silently multiplies database queries when prefetch_related is used without an explicit chunk_size parameter. In total, 7 commits and 10 pull requests landed.
Who contributed to Django on June 19, 2026?
3 developers shipped this update, including ZhengKangYang, felixxm, and dependabot[bot].
What were the notable Django updates?
Fixed #37143 -- Added missing chunk_size=None check to QuerySet.aiterator(), Fixed #37168 -- Made admin display database defaults as empty values, and Changed dark mode theme switcher to FontAwesome icons. (#2652).
♥

$ log @django --recent

Django drops PostgreSQL 15 and PostGIS 3.2, patches an admin date_hierarchy 500 7 shipped GenericIPAddressField accepts ipaddress objects, djangoproject.com tests go multi-browser 27 shipped GeneratedField null check reverted, sponsorship pages rebuilt 17 shipped Django ASV adds ubuntu-latest results, DSF publishes August and September minutes 2 shipped

$ log --all # elsewhere on the wire

@openclaw Cold-start Gateway diagnostics stop crying wolf, doctor repairs plugin drift Agentic Coding Cline desktop bundles shrink, goose unblocks its own clicks

$ ls showcases/

Rails Laravel Node.js Go Vercel Vue.js Kubernetes HashiCorp Arch Linux Linux Anthropic OpenAI

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