Write about new features

Author: delan

_posts/2025-12-12-november-in-servo.md

@@ -7,6 +7,17 @@ summary:    ao!! wrrrrao!!
 categories:
 ---
 
+Landing in [**Servo 0.0.3**](https://github.com/servo/servo/releases/tag/v0.0.3) and our November nightly builds:
+
+- **<video controls>** (@rayguo17, #40578)
+- **<use>** in SVG (@WaterWhisperer, #40684)
+- ☢️ **‘font-optical-sizing’** (@simonwuelker, #40829, #40861, #40884)
+- **‘display-p3-linear’** in CSS **color()** and **color-mix()** (@Loirooriol, #40525)
+- **<details name>** is now exclusive, like radio buttons (@simonwuelker, #40314)
+- **calc()** now works in **grid layout** (@nicoburns, #34846)
+
+**Font variations** are now applied in **‘font-weight’** and **‘font-stretch’** (@simonwuelker, #40867), fixing a rendering issue in the [Web Engines Hackfest website](https://webengineshackfest.org).
+
 @kkoyung has landed some huge improvements in the [**SubtleCrypto API**](https://w3c.github.io/webcrypto/), including some of the more [modern algorithms in this WICG draft](https://wicg.github.io/webcrypto-modern-algos/), and a fix for constant-time base64 (#40334).
 We now have full support for **SHA3-256**, **SHA3-384**, **SHA3-512** (@kkoyung, #40765), **cSHAKE128**, **cSHAKE256** (@kkoyung, #40832), **Argon2d**, **Argon2i**, **Argon2id**, **ChaCha20-Poly1305**, **ECDH**, **ECDSA**, and **X25519**:
 

commits.txt

@@ -828,7 +828,7 @@ https://github.com/servo/servo/pull/40411	(@simonwuelker, #40411)	xpath: Handle
     # This change fixes two panics and cleans up a bunch of the surrounding code.
     # Testing: I've added new unit tests
 +https://github.com/servo/servo/pull/40314	(@simonwuelker, #40314)	script: Enforce exclusivity between <details> elements in the same tree (#40314)
-    layout; <details name> exclusivity
+    ;layout; <details name> exclusivity
     # Within the same tree, only one `` element with the same name may be open at a time. Before this change, this
     # invariant was not enforced.
     # I've added a `HashMap` to `Document` and `ShadowRoot` which maps from a name to the a list of details elements
@@ -1373,7 +1373,7 @@ https://github.com/servo/servo/pull/40529	(@mrobinson, #40529)	constellation: Re
     # Testing: This is just a refactor and shouldn't change behavior so is
     # covered by existing tests.
 +https://github.com/servo/servo/pull/40525	(@Loirooriol, #40525)	Upgrade cssparser to version 0.36 (#40525)
-    upgrade; CSS now support color(display-p3-linear) and color-mix(in display-p3-linear)
+    ;upgrade; CSS now support color(display-p3-linear) and color-mix(in display-p3-linear)
     # Stylo PR: https://github.com/servo/stylo/pull/262
     # Testing: Various WPT now pass
 -https://github.com/servo/servo/pull/40531	(@jschwe, #40531)	Remove duplicate entry for 'rustc-dev' in toolchain (#40531)
@@ -2615,7 +2615,7 @@ https://github.com/servo/servo/pull/40603	(@tharkum, #40603)	html: Add <media> i
     # Testing: No expected changes in test results.
 >>> 2025-11-15T06:07:10Z
 +https://github.com/servo/servo/pull/34846	(@nicoburns, #34846)	Support `calc()` values in CSS Grid (#34846)
-    layout
+    ;layout
     # Depends on:
     # - https://github.com/servo/stylo/pull/104
     # - https://github.com/servo/servo/pull/34926
@@ -3219,7 +3219,7 @@ https://github.com/servo/servo/pull/40160	(@jschwe, #40160)	profiling: Add abstr
     # flaky tests.
     # Testing: This doesn't have any test changes, but should fix the test situation described in #40419.
 +https://github.com/servo/servo/pull/40578	(@rayguo17, #40578)	Media: Display User Agent Controls widget for video element. (#40578)
-    layout; UA controls for <video> (was previously supported for <audio>)
+    ;layout; UA controls for <video> (was previously supported for <audio>)
     # Add Contents::ReplacedWithWidget for video elements with UA control widget, to allow Traverse into the children
     # of video element during Box Tree Construction, Generate IndependentFormattingContextContent::ReplacedWithWidgets,
     # to store both the `ReplacedContents` and `BlockFormattingContext`. During fragment tree generation process, first
@@ -3651,7 +3651,7 @@ https://github.com/servo/servo/pull/40817	(@jdm, #40817)	testing: Remove ahem.cs
     # The current user stylesheet use in our tests is a hack that hides real issues like #40419. Any test that requires
     # ahem.ttf needs to include the stylesheet like any other webpage.
 +https://github.com/servo/servo/pull/40684	(@WaterWhisperer, #40684)	script: Support SVG <use> elements with fragment identifiers (#40684)
-    layout
+    ;layout
     #  implements support for SVG  elements that reference other elements within the same document using fragment
     #  identifiers.
     # Testing:
@@ -3900,7 +3900,7 @@ https://github.com/servo/servo/pull/40822	(@freyacodes, #40822)	Update nixpkgs t
     # error: test run failed
     # ```
 +https://github.com/servo/servo/pull/40829	(@simonwuelker, #40829)	Support `font-optical-sizing` (#40829)
-    layout; variable fonts
+    ;layout; variable fonts
     # This doesn't quite fix the issue in https://github.com/servo/servo/pull/38642#issuecomment-3193498155, I think
     # macos should still have the wrong behaviour for `font-optical-sizing: none` (but I have no way to verify that).
     # Manual testcase (fixed by this change)
@@ -4185,7 +4185,7 @@ https://github.com/servo/servo/pull/40852	(@delan, #40852)	ci: Use new queue API
     # Testing: Refactor
     # Part of: https://github.com/servo/servo/issues/40383
 +https://github.com/servo/servo/pull/40861	(@simonwuelker, #40861)	Add `layout_variable_fonts_enabled` to experimental preferences  (#40861)
-    layout; variable fonts
+    ;layout; variable fonts
     # Part of #38800
 https://github.com/servo/servo/pull/40856	(@WaterWhisperer, #40856)	script: Align Streams implementation with spec step calls (#40856)
     # updates several methods in `ReadableStream` to use `.expect()` instead of `?` where the spec indicates an infallible
@@ -4335,7 +4335,7 @@ https://github.com/servo/servo/pull/40877	(@yezhizhen, #40877)	compositor: Updat
     # Testing: This should change nothing.
     # Fixes: Preparing for #40663.
 +https://github.com/servo/servo/pull/40867	(@simonwuelker, #40867)	fonts: Apply variations for `font-weight`, `font-stretch` (#40867)
-    layout; variable fonts
+    ;layout; variable fonts
     # `font-style` is not included yet because it requires us to have information about the selected font, which is not
     # possible yet.
     # Testing: New tests start to pass
@@ -4482,7 +4482,7 @@ https://github.com/servo/servo/pull/40875	(@tharkum, #40875)	html: Use WeakRef f
     # [//]: # (dependabot-automerge-start)
     # [//]: # (dependabot-automerge-end)
 +https://github.com/servo/servo/pull/40884	(@simonwuelker, #40884)	Don't override `opsz` from `font-variation-settings` when `font-optical-sizing` is `auto` (#40884)
-    layout; part of font-optical-sizing
+    ;layout; part of font-optical-sizing
     # `font-optical-sizing:auto` is UA-defined, and other browsers only set `opsz` when other variation sources don't
     # already set it.
     # Gecko code for reference: https://searchfox.org/firefox-main/source/gfx/src/nsFont.cpp#277.

outline.txt

@@ -106,27 +106,27 @@
     - DONE https://github.com/servo/servo/pull/40948	(@kkoyung, #40948)	script: Implement import/export key operation of ChaCha20-Poly1305 (#40948)
       dom; crypto.subtle.importKey("ChaCha20-Poly1305") and exportKey() for ChaCha20-Poly1305 keys
 - layout
-    - https://github.com/servo/servo/pull/40314	(@simonwuelker, #40314)	script: Enforce exclusivity between <details> elements in the same tree (#40314)
+    - DONE https://github.com/servo/servo/pull/40314	(@simonwuelker, #40314)	script: Enforce exclusivity between <details> elements in the same tree (#40314)
       layout; <details name> exclusivity
     - https://github.com/servo/servo/pull/40554	(@Loirooriol, #40554)	script: Pass the right base URI to inline sheets (#40554)
       layout; inline <style> now takes <base> into account
-    - https://github.com/servo/servo/pull/34846	(@nicoburns, #34846)	Support `calc()` values in CSS Grid (#34846)
+    - DONE https://github.com/servo/servo/pull/34846	(@nicoburns, #34846)	Support `calc()` values in CSS Grid (#34846)
       layout
     - https://github.com/servo/servo/pull/40699	(@mrobinson, @Loirooriol, #40699)	layout: Rebuild the box tree when the `quotes` attribute changes on a pseudo-element (#40699)
       layout
-    - https://github.com/servo/servo/pull/40578	(@rayguo17, #40578)	Media: Display User Agent Controls widget for video element. (#40578)
+    - DONE https://github.com/servo/servo/pull/40578	(@rayguo17, #40578)	Media: Display User Agent Controls widget for video element. (#40578)
       layout; UA controls for <video> (was previously supported for <audio>)
     - https://github.com/servo/servo/pull/40698	(@mrobinson, @Loirooriol, #40698)	script: Trigger reflow properly for pseudo-elements with `content: attr()` (#40698)
       layout
-    - https://github.com/servo/servo/pull/40684	(@WaterWhisperer, #40684)	script: Support SVG <use> elements with fragment identifiers (#40684)
+    - DONE https://github.com/servo/servo/pull/40684	(@WaterWhisperer, #40684)	script: Support SVG <use> elements with fragment identifiers (#40684)
       layout
-    - https://github.com/servo/servo/pull/40829	(@simonwuelker, #40829)	Support `font-optical-sizing` (#40829)
+    - DONE https://github.com/servo/servo/pull/40829	(@simonwuelker, #40829)	Support `font-optical-sizing` (#40829)
       layout; variable fonts
-    - https://github.com/servo/servo/pull/40861	(@simonwuelker, #40861)	Add `layout_variable_fonts_enabled` to experimental preferences  (#40861)
+    - DONE https://github.com/servo/servo/pull/40861	(@simonwuelker, #40861)	Add `layout_variable_fonts_enabled` to experimental preferences  (#40861)
       layout; variable fonts
-    - https://github.com/servo/servo/pull/40867	(@simonwuelker, #40867)	fonts: Apply variations for `font-weight`, `font-stretch` (#40867)
+    - DONE https://github.com/servo/servo/pull/40867	(@simonwuelker, #40867)	fonts: Apply variations for `font-weight`, `font-stretch` (#40867)
       layout; variable fonts
-    - https://github.com/servo/servo/pull/40884	(@simonwuelker, #40884)	Don't override `opsz` from `font-variation-settings` when `font-optical-sizing` is `auto` (#40884)
+    - DONE https://github.com/servo/servo/pull/40884	(@simonwuelker, #40884)	Don't override `opsz` from `font-variation-settings` when `font-optical-sizing` is `auto` (#40884)
       layout; part of font-optical-sizing
     - https://github.com/servo/servo/pull/40916	(@Loirooriol, @mrobinson, #40916)	stylo: Add stacking context damage when outline-width becomes non-zero (#40916)
       layout; incremental layout for ‘outline’ changes
@@ -192,5 +192,5 @@
     - https://github.com/servo/servo/pull/39897	(@jschwe, #39897)	Upload junit report of unit-tests in CI  (#39897)
       testing
 - upgrade
-    - https://github.com/servo/servo/pull/40525	(@Loirooriol, #40525)	Upgrade cssparser to version 0.36 (#40525)
+    - DONE https://github.com/servo/servo/pull/40525	(@Loirooriol, #40525)	Upgrade cssparser to version 0.36 (#40525)
       upgrade; CSS now support color(display-p3-linear) and color-mix(in display-p3-linear)