Servo

@servo

Servo aims to empower developers with a lightweight, high-performance alternative for embedding web technologies in applications.

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Servo@servo· 8d

Servo Report for Week 30 - Implemented text-decoration-thickness improving CSS text decoration fidelity - Implemented Animation.effect, AnimationEffect.getTiming(), getComputedTiming(), and updateTiming() making significant progress on the Web Animations API

Servo@servo· 11d

June in Servo… 🫴👷‍♀️ SharedWorker now stable 🎨🛠️ more powerful ‘attr()’ and ‘calc()’ 📏📐 new @‌media query features 🏜️🥾 real world compat improvements 🙏📰 `@‌servo-highfive monthly update` servo.org/blog/2026/07...

servoshell 0.4.0 showing several new features: the ‘width’, ‘height’, ‘device-width’, ‘device-height’, and ‘aspect-ratio’ media query features, plus the upgraded ‘attr()’ function, with a box whose ‘background-color’ and ‘width’ are controlled by data attributes that are in turn set by range inputs

Servo@servo· 12d

Servo Report for Week 29 - Implemented font-language-override which supports correct language-specific glyph shaping for multilingual text - Implemented font-variant-alternates and @font-feature-values, unlocking stylistic alternates, swashes, and ornaments via OpenType

Servo@servo· 14d

Servo now passes 100% of WPT tests for the WebCrypto API, all 73,292 subtests, covering 25 cryptographic algorithms 🎉 A complete, spec-correct cryptography implementation in an independent Rust-powered browser engine is a big milestone!

Screenshot of the Web Crypto API WPT tests chart showing 100%

Servo@servo· 22d

Servo Report for Week 28 - Implement deriveBits and generateKey operations of X448 - Add support for font in <text> in svg - Add support for box-decoration-break - Add ability to incrementally update accessibility tree based on DOM changes

Servo@servo· 29d

Servo Report for Week 27 - Continued adding Ed448 support to WebCrypto API implementation - Aligned <label> element with specification - Fixed <select> element issue where the value specified via Javascript wasn't applied - Upgrade Stylo version implementing the height & orientation media features.

Servo@servo· Jul 6

Servo Report for Week 26 Highlights from the week: - Add aspect-ratio feature to stylo - Continued work switching to Compose UI in Android app module - Enable device-width/device-height media queries - Add support for devtools inspector to copy as inner/outer html

Servo@servo· Jun 30

May in Servo… 🐢🎬 better compat with mp4 files ☢️🏥 Sanitizer now experimental 🎨📝 more on execCommand() 🙈📜 “Ignore source” in DevTools ⏩🪾 faster DOM and layout servo.org/blog/2026/06...

servoshell 0.3.0 showing several new features: the `document.execCommand()` commands ‘backColor’, ‘createLink’, ‘unlink’, ‘superscript’, ‘subscript’, and ‘removeFormat’, plus ‘font-kerning’ and ‘font-variant-ligatures’

Servo@servo· Jun 26

Servo Report for Week 25 Highlights from last week: - Add support for CSS gradient color interpolation method - Implemented pointer and hover media features - Enabled loading of servo: URLs from command line and location bar in servoshell - Enabled SharedWorker support

Servo@servo· Jun 19

Servo Report for Week 24 Highlights from last week: - Added a horizontal scroll area for tabs in servoshell - Began implementation of Web Animation API - Continued migrating the Android app from Java to Kotlin. - Implement basic form of copyExternalImageToTexture in WebGPU API

Servo@servo· Jun 19

Thank you everyone who joined the Servo sessions at @webengineshackfest.org this year. See you next year!

Rakhi and Eri giving breakout session on implementing feature on Servo DevTools

Servo@servo· Jun 11

Servo Report for Week 23 Highlights from last week: - Added support in servoshell for dragging files on the window to open them - Implemented the pointer capture API - Fix selection of options in multiple select - Implemented loop count for animated image

Servo@servo· Jun 4

Servo Report for Week 22 2026 - Implement font-variant-position & font-feature-settings - Make Blob.stream() supports readable byte streams - Implement Window.screenLeft and Window.screenTop - Support event handler content attributes on SVG elements - Continued work on DevTools & accessibility

Servo@servo· May 31

April in Servo… 📱🤖 revamped Android UI ☢️🗃️ IndexedDB now experimental 🌏✍️ better CJK text support ⏩🪾 faster DOM tree mutations 🔬🪆 Scopes panel in DevTools servo.org/blog/2026/05...

servoshell 0.2.0 showing several new features: better wrapping for CJK scripts, ‘tab-size’, better file pickers and `<textarea>`, `<select multiple>`, ‘::details-content::before’ and ‘::details-content::after’, and ‘color-mix()’ with any number of colors

Servo@servo· May 29

Highlights from last week: - Implement setHTML() - Support font-variant-east-asian - Add ontransitionstart event handler - Progress on IndexedDB and SharedWorker - More work on accessibility and performance

Servo@servo· May 22

Highlights from last week: - Support font-variant-ligatures and font-variant-numeric - Implement Document.parseHTML() - Layout performance improvements - More work on accessibility and DevTools

Servo@servo· May 20

RustWeek 2026 is happening in Utrecht, Netherlands, this week. Several Servo maintainers and TSC members are attending the event. Today is Day 2 of RustWeek, and Josh Bowman-Matthews is speaking about “Tracking Down Undefined Behaviour in Servo.” Make sure to catch the talk if you are there.

jdm's talk details as listed on RustWeek website

Servo@servo· May 15

Highlights from last week: - Add support for focus navigation scopes - Improve API for DiagnosticsLogging configuration - Reuse shaping results between box tree layouts - More progress on accessibilty and DevTools

Servo@servo· May 8

Highlights from last week: - Implement Style Editor tab in DevTools - Enable sequential focus navigation - Use client storage in IndexedDB - More contenteditable commands: backColor, foreColor, subscript, superscript - Continue progress on Accessibility and Sanitizer API

Servo@servo· Apr 30

March in Servo… ➡️⌨️ tab and accesskey navigation 🔬🐞 see live values in the debugger 📝✅ better carets and form fields 📜📦 JS modules in web workers 😈🔱 Servo now runs on FreeBSD! servo.org/blog/2026/04...

servoshell 0.1.0 showing several new features: `<input type=range>`; the character “返” rendered differently depending on whether the ‘lang’ is ‘zh’, ‘ja’, or ‘ko’; the emoji “✈️” rendered on a 2D canvas in both emoji presentation and text presentation; a screenshot of the DevTools debugger, showing live variable values; a text field with label “Diffie” that can be focused with Alt+Shift+D; and examples of styling ‘::first-letter’, ‘::placeholder’, and ‘::file-selector-button’

Servo@servo· Apr 29

Highlights from last week: - Improve SVG rendering - Initial implementation of the "focus update steps" - Implement StorageManager API - Support underline, strikethrough, italic, bold and fontname commands for contenteditable - More work on a11y, DevTools, Sanitizer API

Servo@servo· Apr 24

Highlights from last week: - IndexedDB is now an experimental feature - Performance: Reuse abspos fragments when they didn't change - Add initial implementation of underline command - Implement Screen Wake Lock API - Progress on accessibility, DevTools, IntersectionObserver and Sanitizer API

Servo@servo· Apr 16

Servo on Android just got a big refresh: - Material 3 design - A dedicated tablet layout - A new browsing history view github.com/servo/servo/...

Servo on Android showing new history view

Servo@servo· Apr 16

Highlights from last week: - Modernize and improve the Android UI - Resolve word-spacing percentages against computed font-size - Implement drop-down select multiple - Enable multiple color arguments in color-mix() - More progress on DevTools and IndexedDB

Servo@servo· Apr 10

Highlights from last week: - Implement <input type=range> widget's layout - Implement direction property for CSS Grid - Support for the CSS-wide revert-rule keyword - Port Servo to FreeBSD - Add a pretty printer for top-level json documents

Servo@servo· Apr 4

Highlights from last week: - Align javascript: URL evaluation closer to the spec - Add support for background-blend-mode - Display generated content for ::marker - Work on Web Bluetooth API support - More progress on DevTools & WebDriver

Servo@servo· Mar 31

February in Servo… ⏯️📜 pause and resume in DevTools 🤏🖱️ Pointer Events API 🧲🪟 <button command> 🔰🎨 ‘@property’ and ‘:modal’ 📦🌐 better JS modules support servo.org/blog/2026/03...

Servo 0.0.6 showing ‘transform-style: preserve-3d’, ‘vertical-align’ shorthand with ‘baseline-shift’, objects being previewed in DevTools when passed to console.log(), pausing script execution in DevTools, and opening a modal `<dialog>` with `<button command>`

Servo@servo· Mar 27

Highlights from last week: - Implement the scrollend event - Allow keyboard scrolling with the spacebar - Improvements on the release process - Continue the work on DevTools, IndexedDB, Web Crypto API & WebDriver

Servo@servo· Mar 23

Highlights from last week: - Enable `jump-start`, `jump-both`, `jump-end`, `jump-none` step-position - Implement node.moveBefore() - Add support for a blinking text caret - Initial support for ::first-letter - More DevTools, Web Crypto API & WebDriver progress

Servo@servo· Mar 12

Highlights from last week: - Basic support for tab navigation and accesskey - Implement HTMLSelectElement.selectedOptions - Support more pointer events: pointerenter, pointerout, pointerleave, pointerover - DevTools: Support for step in/out/over - IndexedDB, Web Crypto API & WebDriver progress