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ShopperCove

Hands-on notes on developer tools, written after the tool has actually been run.

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Biome 2.5.15: type-inference speedups, nursery rules, HTML formatter (30 Sep 2026)

Biome published @biomejs/biome@2.5.15 on 30 September 2026: type-inference and HTML formatter performance, plus nursery rules for React defaults, Svelte runes, logical CSS, and more. ShopperCove upgrade checklist only; no affiliate.

5 Oct 20264 min read
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What's New in oxlint 1.87.0? React Suggestions & a11y Fixes

oxlint published v1.87.0 on 5 October 2026: suggestion support for three React/unicorn rules and jsx-a11y/label/mouse/lang hardening plus other fixes. npm latest 1.87.0 confirmed; ShopperCove docs checklist only; no affiliate.

5 Oct 20264 min read
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Astro Starlight 0.42: Popover mobile menu + JS distribution (2 Sep 2026)

Astro’s documentation theme Starlight published 0.42.0 on 2 September 2026 with a Popover API mobile menu that works when JavaScript fails, a move from shipping TypeScript source to compiled JavaScript + declaration files, removal of the unused tagline option, and a bump to Astro 7.2.10+. npm latest as of 5 Oct 2026 is 0.42.5 (Macedonian locale, 1 Oct). ShopperCove docs upgrade checklist only; no affiliate.

5 Oct 20263 min read
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Is no-unsafe-enum-assignment in Recommended?

typescript-eslint published v8.71.0 on 28 September 2026: new typed rule @typescript-eslint/no-unsafe-enum-assignment (flags plain numbers/unsafe values assigned into enum-typed locations) plus fixes for no-misused-promises, no-unnecessary-type-assertion, unbound-method, and switch-exhaustiveness-check. npm latest confirmed 8.71.0; ShopperCove docs checklist only; pairs with live ESLint 10.12 coverage; no affiliate.

5 Oct 20264 min read
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Astro 7.3: multi preview servers, image/cache logger, Cloudflare finalize() (3 Sep 2026)

Astro 7.3 (3 Sep 2026) adds --ignore-lock for parallel astro preview servers (handy for Playwright), passes Astro's runtime logger into custom image services and cache providers, and ships finalize() in @astrojs/cloudflare for custom worker entrypoints. ShopperCove docs checklist only; npm confirmed 7.3.0 / 7.3.5; no affiliate.

5 Oct 20263 min read
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What's New in Playwright 1.63? Test Locks and visible()

Playwright 1.63.0 (4 Sep 2026) adds named test locks for shared resources, cross-frame frameLocator() without a selector, locator.visible(), richer step metadata, and optional aria/screen snapshots in traces. Experimental CT React/Vue packages freeze; Ubuntu 20.04 dropped. ShopperCove docs checklist only; no affiliate.

5 Oct 20264 min read
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Next.js 15 Is End of Life: Upgrade to 16 Now?

Next.js 15.x (released 21 Oct 2024) leaves Maintenance LTS on 21 Oct 2026 per nextjs.org/support-policy. Active LTS is 16.x. Points to September 2026 patches 16.3.8 / 15.5.27. No exploit steps; nothing tested; no affiliate.

5 Oct 20264 min read
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Ready Client Sites: Node.js starter websites for freelancers, not a blank theme

Node.js niche website packs at $97 or $247, sold through ClickBank. Self-install. ShopperCove did not buy or deploy a pack.

4 Oct 20265 min read
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SvelteKit 3 Migration: What Changes First?

3 Oct 20268 min read
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