Node.js
UNDICI FIXES FLAKY WEBSOCKET TESTS AND DEAD ASSERTIONS
Undici shipped three critical stability fixes overnight that eliminate unreachable code paths and deterministic test failures across websockets and HTTP dispatching.
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41 updates across 6 projects this week.
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Recent wires
Vue.js
REACTIVITY BUG FIXED AS CORE TACKLES ORPHAN EFFECTS AND TYPE RESOLUTION
Vue core shipped a critical fix for effects leaking after scope shutdown during async setup — the kind of silent bug that haunts Suspense components.
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Vercel
TURBOPACK CUTS BUILD CACHE MISSES, AI SDK GRADUATES EXPERIMENTAL FEATURES
Next.js shipped two critical Turbopack optimizations that slash task cache misses by 74%, while Vercel AI SDK promoted five experimental APIs to stable—the biggest API surface shift since launch.
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Shopify
CLI PATCHES COMMAND INJECTION HOLE, HYDROGEN FIXES E2E TEST RELIABILITY
Shopify/cli shipped a critical security fix blocking local directory command execution [ref:1], while the team simultaneously hardened type generation for UI extensions and fixed flaky E2E test spawning across both repos.
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Meta
JEST LANDS TEMPORAL AND REACT 19 SUPPORT AS REACT-NATIVE PATCHES ANIMATION CRASHES
Jest is shipping forward compatibility for Node 26's Temporal API and React 19 components while fixing critical race conditions in React Native's animation pipeline.
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Supabase
POSTGRES PATCH SUITE SHIPS ACROSS ALL VERSIONS, REALTIME LOCKS DOWN SOCKET HANDLING
Supabase dropped coordinated Postgres updates across 15.x and 17.x tracks [ref:1][ref:2][ref:3], while Realtime hardened socket disconnection logic and shipped watchdog lag detection.
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Node.js
NODE.JS 26 SHIPS WITH TEMPORAL API ENABLED BY DEFAULT
Node.js 26 is live with the Temporal API enabled by default, V8 14.6, and Undici 8.0, marking a major leap forward—but developers upgrading will face breaking changes in assert, build requirements, and core APIs.
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Vercel
VERCEL SHIPS VITEST ACROSS MONOREPO, CUTS CLI TEST TIME 60%
The Vercel monorepo ripped out Jest entirely and migrated to Vitest, shattering CLI unit test times from 22 minutes to 9 minutes by sharding into 7 parallel chunks.
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Shopify
CLI ANALYTICS INFRASTRUCTURE SHIPS — SHOP ID ATTRIBUTION NOW LIVE
Shopify CLI's store command analytics just gained the shop_id dimension it's been missing, closing the attribution gap between store workflows and app commands.
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Meta
JEST ADDS ESM CONFIG SUPPORT, REACT NATIVE PATCHES SCHEDULER MEMORY CORRUPTION
Jest now accepts jest.config.mts for ESM-first TypeScript projects [ref:5], while React Native ships critical fixes for a delegate teardown race condition that could crash bridgeless apps [ref:1].
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Supabase
STUDIO PARSER FIX LANDS AS POSTGRES RCS ROLL AND REALTIME HARDENS MIGRATIONS
The SQL Editor's RLS detection was silently failing on ALTER TABLE IF EXISTS queries—that's fixed [ref:1], while five Postgres release candidates [ref:6][ref:7][ref:8][ref:9][ref:10] and Realtime's migration safety push [ref:15] move through the pipeline.
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Node.js
UNDICI 8.2.0 LANDS IN NODE CORE WITH HTTP/2 FIX
Node's bundled HTTP client now properly aligns HTTP/2 empty body handling with HTTP/1 semantics, closing a consistency gap that could break streaming assumptions.
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Vercel
SDK KEYS LOCKED DOWN, PYTHON ERRORS SHARPER, NITRO ROUTES FIXED
Vercel tightened SDK key security at the type layer while Python builders now surface granular entrypoint errors that actually tell you what went wrong.
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Meta
JEST RUNTIME REFACTOR NEARLY COMPLETE — MONOLITH SHRINKS 85%
Jest's bloated Runtime class is being dismantled across four consecutive PRs, cutting the codebase from 3.5k lines to 550 and extracting the ESM loader as a standalone module.
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Supabase
POSTGRES RC BUILDS DROP, SAFARI TABLE EDITOR RETURNS, MYSQL AGGREGATE PUSHDOWN LIVE
Supabase shipped three new Postgres release candidates across versions 15 and 17 while the Studio team fixed a critical Safari table editor bug that was breaking copy-paste workflows.
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Node.js
UNDICI TIGHTENS NODE REQUIREMENTS — PLAN YOUR UPGRADES NOW
Both c8 and neostandard just dropped breaking changes that will force your test infrastructure to Node 20.19+ or 22.13+, and undici itself is shipping a backpressure optimization that matters for high-throughput streams.
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Vue.js
LANGUAGE TOOLS REFACTOR RESHAPES TEMPLATE GENERATION AND SCSS RESOLUTION
Vue's language-tools pipeline is getting a major structural cleanup that touches template helpers, module resolution, and HTML void element handling.
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Vercel
WORKFLOW SHIPS FRIENDLIER ERRORS, TANSTACK START GOES LIVE
Vercel consolidated eight PRs of error messaging improvements into a single merge while simultaneously landing TanStack Start support across the entire DevKit stack.
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Meta
JEST RUNTIME CLASS GETS MAJOR SURGERY WHILE REACT DEVTOOLS FIXES CROSS-WINDOW HOVER BUG
Jest is undergoing a comprehensive refactor to break apart its 3,000-line runtime class, while React DevTools patches a long-standing issue where component highlights persist when you move your mouse out of the inspector panel entirely.
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Node.js
NODE INSPECTOR BUG CRUSHES ABSOLUTE URLS. LLHTTP BUMPED. UNDICI TIGHTENS HTTP/2 PERFORMANCE
A network inspector bug that mangled absolute URLs in HTTP requests is now fixed, while llhttp gets a maintenance bump and Undici optimizes its HTTP/2 client with authority caching.
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