Noticias Dev

Dev News — 28 mayo 2026

Lo nuevo hoy

Today's highlights

Points forts du jour

Click en cualquiera para ir al detalle

Click any item to jump to the full section

Cliquez un élément pour aller à la section complète

🔥

Top Stories

Seguridad

Svelte 5.55.10 — XSS y batching async parcheados

Patch con 15 fixes: bloquea XSS en async blocks, propaga @const a través de closure references y limpia batches que fallaron a mitad de hydratación. Si estás en 5.55.x, updateá ya — el XSS no es teórico.

27 May 2026
github.com/sveltejs/svelte →
Release

Next.js 16.3.0-canary.31 — ServerActionsGraph y cache fixes

ServerActionsGraph ahora pasa ModuleGraphLayer como OperationVc, y se arreglan bugs de caching con search params. Canary.29 (26 may) reemplazó el optimizer PPR por next-cache-components-optimizer — el rename refleja hacia dónde va la arquitectura.

28 May 2026
github.com/vercel/next.js →
⚛️

React

Release

TanStack release 2026-05-26 — react-start 1.168.14

Sigue el ritmo de patches: @tanstack/[email protected] con fixes en Hydrate re-exports y arrastra packages relacionados. Solo upgrade si estás bloqueado por Hydrate.

26 May 2026
github.com/TanStack/router →
🧩

JS Frameworks

Destacado

Svelte: TS 6.0 support y CLI plugins en experimental

El newsletter de mayo cierra con mejoras a SvelteKit remote functions, soporte para TypeScript 6.0 y plugins de comunidad behind flag en el CLI. Vale la pena leerlo entero.

27 May 2026
svelte.dev/blog →
🔧

Build Tools & Runtimes

Patch

Deno 2.8.1 — patch sobre el major audit/upgrade

Patch sobre 2.8 (22 may), que trajo deno audit fix, --package-json en deno add/install/remove y deno upgrade pr para bajar el binario de CI de un PR específico. Si usás peer deps en Deno, este es el release a tener.

27 May 2026
github.com/denoland/deno →
🌐

HTML / Web Platform

Patch

Firefox 151.0.2 — fix smart card en macOS

Patch del stable channel: arregla la carga de certificados de smart card en macOS y mejora Split View. Es chico pero si tu equipo usa cert hardware para acceso corporativo, es upgrade obligado.

26 May 2026
firefox.com/releases →
🛠️

Developer Tools

Beta

VS Code 1.122 Insiders — preview del próximo stable

El Insiders avanza tras el 1.121 stable (20 may). Si dependés del canal estable, esperá; si te gusta romper cosas, dale.

27 May 2026
github.com/microsoft/vscode →
🔥

Top Stories

Security

Svelte 5.55.10 — XSS and async batching patched

Patch with 15 fixes: blocks XSS in async blocks, propagates @const through closure references, and cleans up batches that errored mid-hydration. If you're on 5.55.x, upgrade now — the XSS is not theoretical.

27 May 2026
github.com/sveltejs/svelte →
Release

Next.js 16.3.0-canary.31 — ServerActionsGraph and cache fixes

ServerActionsGraph now passes ModuleGraphLayer as OperationVc, plus search-param caching fixes. Canary.29 (May 26) replaced the PPR optimizer with next-cache-components-optimizer — the rename signals where the architecture is heading.

28 May 2026
github.com/vercel/next.js →
⚛️

React

Release

TanStack release 2026-05-26 — react-start 1.168.14

Steady patch cadence: @tanstack/[email protected] with fixes around Hydrate re-exports plus the usual related bumps. Only upgrade if Hydrate is blocking you.

26 May 2026
github.com/TanStack/router →
🧩

JS Frameworks

Notable

Svelte: TS 6.0 support and CLI plugins in experimental

The May newsletter wraps with SvelteKit remote functions improvements, TypeScript 6.0 support, and experimental community plugins in the Svelte CLI. Worth a full read.

27 May 2026
svelte.dev/blog →
🔧

Build Tools & Runtimes

Patch

Deno 2.8.1 — patch on top of the audit/upgrade major

Patch on top of 2.8 (May 22), which brought deno audit fix, --package-json for deno add/install/remove, and deno upgrade pr to pull a PR's CI binary. If you lean on peer deps in Deno, this is the cut to be on.

27 May 2026
github.com/denoland/deno →
🌐

HTML / Web Platform

Patch

Firefox 151.0.2 — macOS smart card fix

Stable-channel patch: fixes macOS smart-card certificate loading and improves Split View. Small release, but mandatory if your org uses hardware certs for corp access.

26 May 2026
firefox.com/releases →
🛠️

Developer Tools

Beta

VS Code 1.122 Insiders — next stable preview

Insiders rolls forward after the 1.121 stable (May 20). If you ride the stable channel, wait; if you like breaking things, jump in.

27 May 2026
github.com/microsoft/vscode →
🔥

Top Stories

Sécurité

Svelte 5.55.10 — XSS et batching async corrigés

Patch avec 15 correctifs : bloque XSS dans les async blocks, propage @const à travers les closure references et nettoie les batches en erreur. Si vous êtes en 5.55.x, mettez à jour.

27 May 2026
github.com/sveltejs/svelte →
Release

Next.js 16.3.0-canary.31 — ServerActionsGraph et correctifs cache

ServerActionsGraph passe maintenant ModuleGraphLayer comme OperationVc, plus correctifs cache search-params. Canary.29 (26 mai) a remplacé l'optimizer PPR par next-cache-components-optimizer.

28 May 2026
github.com/vercel/next.js →
⚛️

React

Release

TanStack release 2026-05-26 — react-start 1.168.14

Cadence régulière : @tanstack/[email protected] avec correctifs sur les Hydrate re-exports.

26 May 2026
github.com/TanStack/router →
🧩

JS Frameworks

Notable

Svelte : support TS 6.0 et plugins CLI en expérimental

La newsletter de mai inclut des améliorations SvelteKit remote functions, support TypeScript 6.0 et plugins communautaires expérimentaux dans le CLI.

27 May 2026
svelte.dev/blog →
🔧

Build Tools & Runtimes

Patch

Deno 2.8.1 — patch sur le major audit/upgrade

Patch sur 2.8 (22 mai), qui apporte deno audit fix, --package-json pour deno add/install/remove, et deno upgrade pr pour récupérer le binaire CI d'une PR.

27 May 2026
github.com/denoland/deno →
🌐

HTML / Web Platform

Patch

Firefox 151.0.2 — correctif smart card macOS

Patch stable : corrige le chargement des certificats smart card macOS et améliore Split View. Petite version, mais obligatoire si votre orga utilise des certificats matériels.

26 May 2026
firefox.com/releases →
🛠️

Developer Tools

Bêta

VS Code 1.122 Insiders — preview de la prochaine stable

Insiders avance après la 1.121 stable (20 mai). Si vous dépendez du canal stable, attendez ; sinon, foncez.

27 May 2026
github.com/microsoft/vscode →