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The Wire · Showcase

VERCEL QUEUES SHIPS IN PYTHON SDK, TURBOPACK GETS SMARTER MEMORY EVICTION

By RepoJournal · Filed · About Vercel

elprans lukesandberg eps1lon vercel-release-bot ruiconti VaguelySerious mitul-s
7 people shipped this
elprans @elprans 3 cited lukesandberg @lukesandberg 1 cited eps1lon @eps1lon 1 cited vercel-release-bot @vercel-release-bot 1 cited ruiconti @ruiconti 1 cited VaguelySerious @VaguelySerious 1 cited mitul-s @mitul-s 1 cited

The Python SDK now ships a production-ready Queue client alongside cache improvements that unlock Redis-like backends, while Next.js fixes critical bundle bloat regressions and Eve bumps Anthropic prompt caching efficiency to 45%+.

Vercel-queue hits the SDK with a full async/sync API surface: `send()`, `@subscribe`, and `poll()` primitives for publishing and consuming from Vercel Queues [1]. This ships alongside cache strict mode [2], which now raises errors instead of swallowing them when you need the cache to behave like a real backend. Both features unlock the split-out `vercel.cache` and `vercel.internal.telemetry` packages [3], dropping the full SDK dependency for teams building queue task result storage. On the Next.js side, Turbopack's memory eviction gets an `'auto'` default mode [4] that only purges cache after snapshots when enough memory has actually accumulated to make eviction worthwhile. In parallel, the team shipped critical fixes splitting remaining "client-node"-only modules into `.browser` variants [5], closing regressions where server code leaked into client bundles. React upstream bumped [6] to pick up six new patches from Facebook. Eve's Anthropic integration now places the cache breakpoint on the last message of each request [7], pushing observed prompt cache rates to 45-48% from broken placements that looked cached but weren't. Eve 0.22.1 exports `callSlackApi` and `resolveSlackBotToken` [8] so external code stops hand-rolling fetch calls against Slack's Web API. Workflow's trace viewer gets a minimap [10], and the local-world runtime dropped two companion performance regressions: AbortSignal latency per step cut from ~500ms to near-zero [9], and chunk polling swapped from O(world) to constant-time [9].

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Action items

References

  1. [1] Implement Vercel Queue SDK ↗ vercel/vercel-py
  2. [2] vercel-cache: Add strict mode ↗ vercel/vercel-py
  3. [3] Split out `vercel.cache` and its dep `vercel._internal.telemetry` ↗ vercel/vercel-py
  4. [4] [turbopack] Don't evict when there is little memory to save ↗ vercel/next.js
  5. [5] Split remaining "client-node"-only modules into .browser variants ↗ vercel/next.js
  6. [6] Upgrade React from `23def8fd-20260706` to `12a4baec-20260707` ↗ vercel/next.js
  7. [7] fix(eve): place the Anthropic cache breakpoint on the last message of each request ↗ vercel/eve
  8. [8] eve@0.22.1 ↗ vercel/eve
  9. [9] [world-local] Fix per-step AbortSignal latency and O(world) chunk polling ↗ vercel/workflow
  10. [10] Add minimap to the trace viewer ↗ vercel/workflow

Quick answers

What shipped in Vercel on July 9, 2026?
The Python SDK now ships a production-ready Queue client alongside cache improvements that unlock Redis-like backends, while Next.js fixes critical bundle bloat regressions and Eve bumps Anthropic prompt caching efficiency to 45%+. In total, 50 commits, 51 pull requests, and 3 releases landed.
Who contributed to Vercel on July 9, 2026?
7 developers shipped this update, including elprans, lukesandberg, eps1lon, vercel-release-bot, ruiconti, VaguelySerious, and mitul-s.
What were the notable Vercel updates?
Implement Vercel Queue SDK, vercel-cache: Add strict mode, and Split out `vercel.cache` and its dep `vercel._internal.telemetry`.

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