From 549a049ffbdb759fd3ef70bb5760dee2167b34a3 Mon Sep 17 00:00:00 2001
From: captainbrosset <1152698+captainbrosset@users.noreply.github.com>
Date: Thu, 17 Apr 2025 12:43:48 +0000
Subject: [PATCH] Update draft features

---
 features/draft/spec/css-multicol-2.yml        | 88 +++++++++++++++++++
 features/draft/spec/css-multicol-2.yml.dist   | 12 +++
 features/draft/spec/css-ui-4.yml              |  3 +-
 features/draft/spec/ecmascript.yml            |  9 +-
 features/draft/spec/ecmascript.yml.dist       | 27 ++++--
 features/draft/spec/prefetch.yml              | 14 +++
 features/draft/spec/prefetch.yml.dist         |  8 ++
 features/draft/spec/speculation-rules.yml     | 23 +++++
 .../draft/spec/speculation-rules.yml.dist     |  8 ++
 9 files changed, 182 insertions(+), 10 deletions(-)
 create mode 100644 features/draft/spec/css-multicol-2.yml
 create mode 100644 features/draft/spec/css-multicol-2.yml.dist
 create mode 100644 features/draft/spec/prefetch.yml
 create mode 100644 features/draft/spec/prefetch.yml.dist
 create mode 100644 features/draft/spec/speculation-rules.yml
 create mode 100644 features/draft/spec/speculation-rules.yml.dist

diff --git a/features/draft/spec/css-multicol-2.yml b/features/draft/spec/css-multicol-2.yml
new file mode 100644
index 00000000000..833aceb378e
--- /dev/null
+++ b/features/draft/spec/css-multicol-2.yml
@@ -0,0 +1,88 @@
+draft_date: 2025-04-17
+name: CSS Multi-column Layout Module Level 2
+description: TODO
+spec: https://drafts.csswg.org/css-multicol-2/
+compat_features:
+  - css.selectors.column
+  - css.selectors.column.nested_scroll-marker
+
+# The following features in the spec are already part of web-features:
+# - Multi-column layout:
+#   - css.properties.align-content.multicol_context
+#   - css.properties.column-count
+#   - css.properties.column-count.auto
+#   - css.properties.column-gap
+#   - css.properties.column-gap.multicol_context
+#   - css.properties.column-gap.multicol_context.calc_values
+#   - css.properties.column-gap.multicol_context.percentage_values
+#   - css.properties.column-rule
+#   - css.properties.column-rule-color
+#   - css.properties.column-rule-style
+#   - css.properties.column-rule-width
+#   - css.properties.column-width
+#   - css.properties.column-width.auto
+#   - css.properties.columns
+# - Page breaks:
+#   - css.properties.break-after
+#   - css.properties.break-after.always
+#   - css.properties.break-after.auto
+#   - css.properties.break-after.avoid
+#   - css.properties.break-after.avoid-page
+#   - css.properties.break-after.left
+#   - css.properties.break-after.page
+#   - css.properties.break-after.paged_context
+#   - css.properties.break-after.paged_context.avoid-page
+#   - css.properties.break-after.paged_context.page
+#   - css.properties.break-after.paged_context.recto
+#   - css.properties.break-after.recto
+#   - css.properties.break-after.right
+#   - css.properties.break-after.verso
+#   - css.properties.break-before
+#   - css.properties.break-before.always
+#   - css.properties.break-before.auto
+#   - css.properties.break-before.avoid
+#   - css.properties.break-before.avoid-page
+#   - css.properties.break-before.left
+#   - css.properties.break-before.page
+#   - css.properties.break-before.paged_context
+#   - css.properties.break-before.paged_context.page
+#   - css.properties.break-before.paged_context.recto
+#   - css.properties.break-before.recto
+#   - css.properties.break-before.right
+#   - css.properties.break-before.verso
+#   - css.properties.break-inside
+#   - css.properties.break-inside.auto
+#   - css.properties.break-inside.avoid
+#   - css.properties.break-inside.avoid-page
+#   - css.properties.break-inside.paged_context
+#   - css.properties.break-inside.paged_context.avoid-page
+# - Column breaks:
+#   - css.properties.break-after.avoid-column
+#   - css.properties.break-after.column
+#   - css.properties.break-after.multicol_context
+#   - css.properties.break-after.multicol_context.avoid
+#   - css.properties.break-after.multicol_context.avoid-column
+#   - css.properties.break-after.multicol_context.column
+#   - css.properties.break-before.avoid-column
+#   - css.properties.break-before.column
+#   - css.properties.break-before.multicol_context
+#   - css.properties.break-before.multicol_context.avoid
+#   - css.properties.break-before.multicol_context.avoid-column
+#   - css.properties.break-before.multicol_context.column
+#   - css.properties.break-inside.avoid-column
+#   - css.properties.break-inside.multicol_context
+#   - css.properties.break-inside.multicol_context.avoid-column
+# - column-fill:
+#   - css.properties.column-fill
+#   - css.properties.column-fill.auto
+#   - css.properties.column-fill.balance
+# - Flexbox gap:
+#   - css.properties.column-gap.flex_context
+# - Grid:
+#   - css.properties.column-gap.grid_context
+# - column-span:
+#   - css.properties.column-span
+#   - css.properties.column-span.all
+#   - css.properties.column-span.none
+# - Widows and orphans:
+#   - css.properties.widows
diff --git a/features/draft/spec/css-multicol-2.yml.dist b/features/draft/spec/css-multicol-2.yml.dist
new file mode 100644
index 00000000000..651721412c1
--- /dev/null
+++ b/features/draft/spec/css-multicol-2.yml.dist
@@ -0,0 +1,12 @@
+# Generated from: css-multicol-2.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support:
+    chrome: "135"
+    chrome_android: "135"
+    edge: "135"
+compat_features:
+  - css.selectors.column
+  - css.selectors.column.nested_scroll-marker
diff --git a/features/draft/spec/css-ui-4.yml b/features/draft/spec/css-ui-4.yml
index bd6d38072eb..765a967d0e2 100644
--- a/features/draft/spec/css-ui-4.yml
+++ b/features/draft/spec/css-ui-4.yml
@@ -1,4 +1,4 @@
-draft_date: 2025-03-25
+draft_date: 2025-04-17
 name: CSS Basic User Interface Module Level 4
 description: TODO
 spec: https://drafts.csswg.org/css-ui-4/
@@ -11,6 +11,7 @@ compat_features:
 # - accent-color:
 #   - css.properties.accent-color
 #   - css.properties.accent-color.auto
+#   - css.properties.accent-color.maintains_contrast
 # - appearance:
 #   - css.properties.appearance
 #   - css.properties.appearance.auto
diff --git a/features/draft/spec/ecmascript.yml b/features/draft/spec/ecmascript.yml
index 73fc62b1ae1..7877045a0cf 100644
--- a/features/draft/spec/ecmascript.yml
+++ b/features/draft/spec/ecmascript.yml
@@ -1,8 +1,9 @@
-draft_date: 2025-03-03
-name: ECMAScript® 2025 Language Specification
+draft_date: 2025-04-17
+name: ECMAScript® 2026 Language Specification
 description: TODO
 spec: https://tc39.es/ecma262/multipage/
 compat_features:
+  - javascript.builtins.FinalizationRegistry.unregister.symbol_as_target
   - javascript.operators.import.options_parameter
 
 # The following features in the spec are already part of web-features:
@@ -456,12 +457,12 @@ compat_features:
 #   - javascript.builtins.FinalizationRegistry
 #   - javascript.builtins.FinalizationRegistry.FinalizationRegistry
 #   - javascript.builtins.FinalizationRegistry.register
-#   - javascript.builtins.FinalizationRegistry.symbol_as_target
+#   - javascript.builtins.FinalizationRegistry.register.symbol_as_target
 #   - javascript.builtins.FinalizationRegistry.unregister
 #   - javascript.builtins.WeakRef
 #   - javascript.builtins.WeakRef.WeakRef
+#   - javascript.builtins.WeakRef.WeakRef.symbol_as_target
 #   - javascript.builtins.WeakRef.deref
-#   - javascript.builtins.WeakRef.symbol_as_target
 # - Float16Array:
 #   - javascript.builtins.Float16Array.Float16Array
 # - Functions:
diff --git a/features/draft/spec/ecmascript.yml.dist b/features/draft/spec/ecmascript.yml.dist
index 8ce71b8ffb5..7bdb521566d 100644
--- a/features/draft/spec/ecmascript.yml.dist
+++ b/features/draft/spec/ecmascript.yml.dist
@@ -4,10 +4,27 @@
 status:
   baseline: false
   support:
-    chrome: "91"
-    chrome_android: "91"
-    edge: "91"
-    safari: "15"
-    safari_ios: "15"
+    chrome: "109"
+    chrome_android: "109"
+    edge: "109"
+    safari: "16.4"
+    safari_ios: "16.4"
 compat_features:
+  # baseline: false
+  # support:
+  #   chrome: "91"
+  #   chrome_android: "91"
+  #   edge: "91"
+  #   safari: "15"
+  #   safari_ios: "15"
   - javascript.operators.import.options_parameter
+
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: false
+  # support:
+  #   chrome: "109"
+  #   chrome_android: "109"
+  #   edge: "109"
+  #   safari: "16.4"
+  #   safari_ios: "16.4"
+  - javascript.builtins.FinalizationRegistry.unregister.symbol_as_target
diff --git a/features/draft/spec/prefetch.yml b/features/draft/spec/prefetch.yml
new file mode 100644
index 00000000000..59ffef1096e
--- /dev/null
+++ b/features/draft/spec/prefetch.yml
@@ -0,0 +1,14 @@
+draft_date: 2025-04-17
+name: Prefetch
+description: TODO
+spec: https://wicg.github.io/nav-speculation/prefetch.html
+compat_features:
+  - http.headers.Sec-Speculation-Tags
+
+# The following features in the spec are already part of web-features:
+# - <link rel="prefetch">:
+#   - api.PerformanceResourceTiming.deliveryType.navigational-prefetch
+#   - http.headers.Sec-Purpose
+#   - http.headers.Sec-Purpose.prefetch
+# - Speculation rules:
+#   - http.headers.Sec-Purpose.speculationrules
diff --git a/features/draft/spec/prefetch.yml.dist b/features/draft/spec/prefetch.yml.dist
new file mode 100644
index 00000000000..08381d41366
--- /dev/null
+++ b/features/draft/spec/prefetch.yml.dist
@@ -0,0 +1,8 @@
+# Generated from: prefetch.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support: {}
+compat_features:
+  - http.headers.Sec-Speculation-Tags
diff --git a/features/draft/spec/speculation-rules.yml b/features/draft/spec/speculation-rules.yml
new file mode 100644
index 00000000000..a0c0fe29f64
--- /dev/null
+++ b/features/draft/spec/speculation-rules.yml
@@ -0,0 +1,23 @@
+draft_date: 2025-04-17
+name: Speculation Rules
+description: TODO
+spec: https://wicg.github.io/nav-speculation/speculation-rules.html
+compat_features:
+  - html.elements.script.type.speculationrules.tag
+
+# The following features in the spec are already part of web-features:
+# - Speculation rules:
+#   - html.elements.script.type.speculationrules
+#   - html.elements.script.type.speculationrules.eagerness
+#   - html.elements.script.type.speculationrules.expects_no_vary_search
+#   - html.elements.script.type.speculationrules.prefetch
+#   - html.elements.script.type.speculationrules.prerender
+#   - html.elements.script.type.speculationrules.referrer_policy
+#   - html.elements.script.type.speculationrules.relative_to
+#   - html.elements.script.type.speculationrules.requires
+#   - html.elements.script.type.speculationrules.requires.anonymous-client-ip-when-cross-origin
+#   - html.elements.script.type.speculationrules.source_optional
+#   - html.elements.script.type.speculationrules.urls
+#   - html.elements.script.type.speculationrules.where
+#   - http.headers.Content-Security-Policy.script-src.inline-speculation-rules
+#   - http.headers.Speculation-Rules
diff --git a/features/draft/spec/speculation-rules.yml.dist b/features/draft/spec/speculation-rules.yml.dist
new file mode 100644
index 00000000000..d3ae64b1c30
--- /dev/null
+++ b/features/draft/spec/speculation-rules.yml.dist
@@ -0,0 +1,8 @@
+# Generated from: speculation-rules.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support: {}
+compat_features:
+  - html.elements.script.type.speculationrules.tag