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The Servo Browser Engine
3b2358c2b2
Bumps [time](https://github.com/time-rs/time) from 0.3.41 to 0.3.42. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/time-rs/time/releases">time's releases</a>.</em></p> <blockquote> <h2>v0.3.42</h2> <p>See the <a href="https://github.com/time-rs/time/blob/main/CHANGELOG.md">changelog</a> for details.</p> </blockquote> </details> <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/time-rs/time/blob/main/CHANGELOG.md">time's changelog</a>.</em></p> <blockquote> <h2>0.3.42 [2025-08-31]</h2> <h3>Added</h3> <ul> <li><code>Time::duration_until</code></li> <li><code>Time::duration_since</code></li> <li><code>per_t</code> method for all types in <code>time::convert</code>. This is similar to the existing <code>per</code> method, but can return any of the primitive numeric types that can represent the result. This will cut down on <code>as</code> casts while ensuring correctness. Type inference isn't perfect, so you may need to provide a type annotation in some situations.</li> <li><code>impl PartialOrd for Month</code> and <code>impl Ord for Month</code>; this assumes the months are in the same year</li> <li><code>SystemTimeExt</code> trait, adding methods for checked arithmetic with <code>time::Duration</code> and obtaining the difference between two <code>SystemTime</code>s as a <code>time::Duration</code></li> <li>Permit using <code>UtcDateTime</code> with <code>rand</code> (this was inadvertently omitted previously)</li> <li><code>impl core::error::Error</code> for all error types (now available when the <code>std</code> feature is disabled)</li> <li>MacOS can now obtain the local UTC offset in multi-threaded programs as the system APIs are thread-safe.</li> <li><code>#[track_caller]</code> has been added to all relevant methods.</li> </ul> <h3>Changed</h3> <ul> <li>The minimum supported Rust version is now 1.81.0.</li> <li>The dependency on <code>itoa</code> has been removed, as the standard library now has similar functionality by default.</li> <li>Formatting a component that involves a floating point number is now guaranteed to be deterministic, avoiding any subtle differences between platforms or compiler versions.</li> </ul> <h3>Fixed</h3> <ul> <li>Serializing timestamps with nanosecond precision <em>should</em> always emit the correct value. Previously, it could be off by one nanosecond due to floating point imprecision.</li> <li>A previously unknown bug in <code>OffsetDateTime::to_offset</code> and <code>UtcDateTime::to_offset</code> has been fixed. The bug could result in a value that was invalid. It was unlikely to ever occur in real-world code, as it involved passing a UTC offset that has never been used in any location.</li> </ul> <h3>Miscellaneous</h3> <ul> <li>The amount of code generated by macros has been massively reduced, on the order of 65-70% for typical use cases of <code>format_description!</code>.</li> <li>Significant performance gains for comparisons of <code>Time</code>, <code>PrimitiveDateTime</code>, <code>UtcDateTime</code>, and <code>OffsetDateTime</code>. The first three have gains of approximately 85% (i.e. 6× faster).</li> <li>Nearly all methods are <code>#[inline]</code>.</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href=" |
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| .cargo | ||
| .github | ||
| .vscode | ||
| components | ||
| docs | ||
| etc | ||
| ports/servoshell | ||
| python | ||
| resources | ||
| support | ||
| tests | ||
| third_party | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .python-version | ||
| Cargo.lock | ||
| Cargo.toml | ||
| CODE_OF_CONDUCT.md | ||
| CONTRIBUTING.md | ||
| deny.toml | ||
| Info.plist | ||
| LICENSE | ||
| LICENSE_WHATWG_SPECS | ||
| mach | ||
| mach.bat | ||
| PULL_REQUEST_TEMPLATE.md | ||
| pyproject.toml | ||
| README.md | ||
| rust-toolchain.toml | ||
| rustfmt.toml | ||
| SECURITY.md | ||
| servo-tidy.toml | ||
| servobuild.example | ||
| shell.nix | ||
| taplo.toml | ||
| uv.toml | ||
The Servo Parallel Browser Engine Project
Servo is a prototype web browser engine written in the Rust language. It is currently developed on 64-bit macOS, 64-bit Linux, 64-bit Windows, 64-bit OpenHarmony, and Android.
Servo welcomes contribution from everyone. Check out:
- The Servo Book for documentation
- servo.org for news and guides
Coordination of Servo development happens:
- Here in the Github Issues
- On the Servo Zulip
- In video calls advertised in the Servo Project repo.
Getting started
For more detailed build instructions, see the Servo book under Setting up your environment, Building Servo, Building for Android and Building for OpenHarmony.
macOS
- Download and install Xcode and
brew. - Install
uv:curl -LsSf https://astral.sh/uv/install.sh | sh - Install
rustup:curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh - Restart your shell to make sure
cargois available - Install the other dependencies:
./mach bootstrap - Build servoshell:
./mach build
Linux
- Install
curl:- Arch:
sudo pacman -S --needed curl - Debian, Ubuntu:
sudo apt install curl - Fedora:
sudo dnf install curl - Gentoo:
sudo emerge net-misc/curl
- Arch:
- Install
uv:curl -LsSf https://astral.sh/uv/install.sh | sh - Install
rustup:curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh - Restart your shell to make sure
cargois available - Install the other dependencies:
./mach bootstrap - Build servoshell:
./mach build
Windows
- Download
uv,choco, andrustup- Be sure to select Quick install via the Visual Studio Community installer
- In the Visual Studio Installer, ensure the following components are installed:
- Windows 10/11 SDK (anything >= 10.0.19041.0) (
Microsoft.VisualStudio.Component.Windows{10, 11}SDK.{>=19041}) - MSVC v143 - VS 2022 C++ x64/x86 build tools (Latest) (
Microsoft.VisualStudio.Component.VC.Tools.x86.x64) - C++ ATL for latest v143 build tools (x86 & x64) (
Microsoft.VisualStudio.Component.VC.ATL) - C++ MFC for latest v143 build tools (x86 & x64) (
Microsoft.VisualStudio.Component.VC.ATLMFC)
- Windows 10/11 SDK (anything >= 10.0.19041.0) (
- Restart your shell to make sure
cargois available - Install the other dependencies:
.\mach bootstrap - Build servoshell:
.\mach build
Android
- Ensure that the following environment variables are set:
ANDROID_SDK_ROOTANDROID_NDK_ROOT:$ANDROID_SDK_ROOT/ndk/26.2.11394342/ANDROID_SDK_ROOTcan be any directory (such as~/android-sdk). All of the Android build dependencies will be installed there.
- Install the latest version of the Android command-line
tools to
$ANDROID_SDK_ROOT/cmdline-tools/latest. - Run the following command to install the necessary components:
sudo $ANDROID_SDK_ROOT/cmdline-tools/latest/bin/sdkmanager --install \ "build-tools;34.0.0" \ "emulator" \ "ndk;26.2.11394342" \ "platform-tools" \ "platforms;android-33" \ "system-images;android-33;google_apis;x86_64" - Follow the instructions above for the platform you are building on
OpenHarmony
- Follow the instructions above for the platform you are building on to prepare the environment.
- Depending on the target distribution (e.g.
HarmonyOS NEXTvs pureOpenHarmony) the build configuration will differ slightly. - Ensure that the following environment variables are set
DEVECO_SDK_HOME(Required when targetingHarmonyOS NEXT)OHOS_BASE_SDK_HOME(Required when targetingOpenHarmony)OHOS_SDK_NATIVE(e.g.${DEVECO_SDK_HOME}/default/openharmony/nativeor${OHOS_BASE_SDK_HOME}/${API_VERSION}/native)SERVO_OHOS_SIGNING_CONFIG: Path to json file containing a valid signing configuration for the demo app.
- Review the detailed instructions at Building for OpenHarmony.
- The target distribution can be modified by passing
--flavor=<default|harmonyos>tomach <build|package|install>.