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Web & Frontend

Browsers, Frameworks & the Platform. Published every Wednesday, here and by RSS.

67 stories 8 issues 9 categories

Browsers & Standards Frameworks CSS & Layout Performance TypeScript & Tooling Runtimes Accessibility Security Practice

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Browsers & Standards

WebKit Features for Safari 27.0

Safari 27.0 introduces 83 new features, including customizable <select> elements with new default styles and scroll anchoring. It also adds Safari MCP to improve compatibility with AI coding agents.

Why it matters — Customizable select elements allow for full restyling of native components while maintaining accessibility and platform behavior.

WebKit · 23 September 2026 · Read the original →

Practice

Affordable and Fast Migration

Evil Martians migrated a sizable site from Gatsby to Astro in nine days without rewriting any React components, showcasing a rapid, low‑risk transition to Astro’s static‑site architecture.

Why it matters — Illustrates a practical migration strategy that preserves existing React code while gaining Astro’s performance benefits.

Astro · 09 September 2026 · Read the original →

Practice

CodePen 2.0

Reflects on the architectural overhaul and initial launch week of CodePen 2.0, detailing operational surprises encountered after replacing legacy infrastructure.

Why it matters — Platform rewrites frequently introduce unforeseen operational edge cases that eclipse the initial system build in total complexity.

Chris Coyier · 08 August 2026 · Read the original →

TypeScript & Tooling

TypeScript 7.0 Ships Go Compiler

Microsoft released TypeScript 7.0 on July 8, 2026, featuring a new native Go-based compiler that delivers 8x to 12x faster full builds and improved editor responsiveness. This version also makes deprecations from TypeScript 6.0 into hard errors, setting `strict` and `esnext` as new defaults.

Why it matters — Developers will experience significantly faster build times and more responsive editor experiences, but must address TypeScript 6.0 deprecations to avoid breaking changes.

devblogs.microsoft.com · 08 August 2026 · Read the original →

Browsers & Standards

Brighter Than White

Modern browsers like Chrome 137+ and Safari 26+ now support ISO 21496-1 gain maps to display HDR content on compatible screens. This technique uses a secondary data map to boost specific image colors beyond standard white levels.

Why it matters — Gain maps allow for high-dynamic-range highlights in web images by using a secondary data layer within standard image formats.

Frontend Masters · 23 September 2026 · Read the original →

We have colors brighter than white, but centering text still requires a new specification.

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