chore(nimbus): Update External Configs

Experimenter Bot · Experimenter Bot · commit d00f8cc29d5a · 2026-05-16T09:51:45.000Z
diff --git a/experimenter/experimenter/features/manifests/fenix/.ref-cache.yaml b/experimenter/experimenter/features/manifests/fenix/.ref-cache.yaml
@@ -1,3 +1,3 @@
 beta: 83e871927810f621bb3067b265649aa9505ad84f
-main: 6e32b4962597e60549f9fc289aa627cae508887c
+main: 18e5fb40d97a66af059f724dae98a894804c9077
 release: 91d93ddd290c6fc70df44dbdc363fc5a0a6306c5
diff --git a/experimenter/experimenter/features/manifests/fenix/beta.fml.yaml b/experimenter/experimenter/features/manifests/fenix/beta.fml.yaml
@@ -319,6 +319,11 @@ features:
         description: If true, Homepage Sports Widget is enabled.
         type: Boolean
         default: false
+      force-one-week-to-world-cup:
+        description: |
+          If true, treat the user as being within one week of the World Cup kickoff regardless of the device date. Used to roll out the pre-tournament pager (follow your team + view-schedule cards) ahead of the calendar date for testing or staggered launches. The natural date-based check still applies when this is false (the default).
+        type: Boolean
+        default: false
   homescreen:
     description: The homescreen that the user goes to when they press home or new tab.
     variables:
diff --git a/experimenter/experimenter/features/manifests/fenix/developer.fml.yaml b/experimenter/experimenter/features/manifests/fenix/developer.fml.yaml
@@ -319,6 +319,11 @@ features:
         description: If true, Homepage Sports Widget is enabled.
         type: Boolean
         default: false
+      force-one-week-to-world-cup:
+        description: |
+          If true, treat the user as being within one week of the World Cup kickoff regardless of the device date. Used to roll out the pre-tournament pager (follow your team + view-schedule cards) ahead of the calendar date for testing or staggered launches. The natural date-based check still applies when this is false (the default).
+        type: Boolean
+        default: false
   homescreen:
     description: The homescreen that the user goes to when they press home or new tab.
     variables:
diff --git a/experimenter/experimenter/features/manifests/fenix/experimenter.yaml b/experimenter/experimenter/features/manifests/fenix/experimenter.yaml
@@ -312,6 +312,10 @@ homepage-sports-widget:
     enabled:
       type: boolean
       description: If true, Homepage Sports Widget is enabled.
+    force-one-week-to-world-cup:
+      type: boolean
+      description: |
+        If true, treat the user as being within one week of the World Cup kickoff regardless of the device date. Used to roll out the pre-tournament pager (follow your team + view-schedule cards) ahead of the calendar date for testing or staggered launches. The natural date-based check still applies when this is false (the default).
 homescreen:
   description: The homescreen that the user goes to when they press home or new tab.
   hasExposure: true
diff --git a/experimenter/experimenter/features/manifests/fenix/nightly.fml.yaml b/experimenter/experimenter/features/manifests/fenix/nightly.fml.yaml
@@ -319,6 +319,11 @@ features:
         description: If true, Homepage Sports Widget is enabled.
         type: Boolean
         default: false
+      force-one-week-to-world-cup:
+        description: |
+          If true, treat the user as being within one week of the World Cup kickoff regardless of the device date. Used to roll out the pre-tournament pager (follow your team + view-schedule cards) ahead of the calendar date for testing or staggered launches. The natural date-based check still applies when this is false (the default).
+        type: Boolean
+        default: false
   homescreen:
     description: The homescreen that the user goes to when they press home or new tab.
     variables:
diff --git a/experimenter/experimenter/features/manifests/fenix/release.fml.yaml b/experimenter/experimenter/features/manifests/fenix/release.fml.yaml
@@ -319,6 +319,11 @@ features:
         description: If true, Homepage Sports Widget is enabled.
         type: Boolean
         default: false
+      force-one-week-to-world-cup:
+        description: |
+          If true, treat the user as being within one week of the World Cup kickoff regardless of the device date. Used to roll out the pre-tournament pager (follow your team + view-schedule cards) ahead of the calendar date for testing or staggered launches. The natural date-based check still applies when this is false (the default).
+        type: Boolean
+        default: false
   homescreen:
     description: The homescreen that the user goes to when they press home or new tab.
     variables:
diff --git a/experimenter/experimenter/features/manifests/fenix/v152.0.0/beta.fml.yaml b/experimenter/experimenter/features/manifests/fenix/v152.0.0/beta.fml.yaml
@@ -319,6 +319,11 @@ features:
         description: If true, Homepage Sports Widget is enabled.
         type: Boolean
         default: false
+      force-one-week-to-world-cup:
+        description: |
+          If true, treat the user as being within one week of the World Cup kickoff regardless of the device date. Used to roll out the pre-tournament pager (follow your team + view-schedule cards) ahead of the calendar date for testing or staggered launches. The natural date-based check still applies when this is false (the default).
+        type: Boolean
+        default: false
   homescreen:
     description: The homescreen that the user goes to when they press home or new tab.
     variables:
diff --git a/experimenter/experimenter/features/manifests/fenix/v152.0.0/developer.fml.yaml b/experimenter/experimenter/features/manifests/fenix/v152.0.0/developer.fml.yaml
@@ -319,6 +319,11 @@ features:
         description: If true, Homepage Sports Widget is enabled.
         type: Boolean
         default: false
+      force-one-week-to-world-cup:
+        description: |
+          If true, treat the user as being within one week of the World Cup kickoff regardless of the device date. Used to roll out the pre-tournament pager (follow your team + view-schedule cards) ahead of the calendar date for testing or staggered launches. The natural date-based check still applies when this is false (the default).
+        type: Boolean
+        default: false
   homescreen:
     description: The homescreen that the user goes to when they press home or new tab.
     variables:
diff --git a/experimenter/experimenter/features/manifests/fenix/v152.0.0/experimenter.yaml b/experimenter/experimenter/features/manifests/fenix/v152.0.0/experimenter.yaml
@@ -312,6 +312,10 @@ homepage-sports-widget:
     enabled:
       type: boolean
       description: If true, Homepage Sports Widget is enabled.
+    force-one-week-to-world-cup:
+      type: boolean
+      description: |
+        If true, treat the user as being within one week of the World Cup kickoff regardless of the device date. Used to roll out the pre-tournament pager (follow your team + view-schedule cards) ahead of the calendar date for testing or staggered launches. The natural date-based check still applies when this is false (the default).
 homescreen:
   description: The homescreen that the user goes to when they press home or new tab.
   hasExposure: true
diff --git a/experimenter/experimenter/features/manifests/fenix/v152.0.0/nightly.fml.yaml b/experimenter/experimenter/features/manifests/fenix/v152.0.0/nightly.fml.yaml
@@ -319,6 +319,11 @@ features:
         description: If true, Homepage Sports Widget is enabled.
         type: Boolean
         default: false
+      force-one-week-to-world-cup:
+        description: |
+          If true, treat the user as being within one week of the World Cup kickoff regardless of the device date. Used to roll out the pre-tournament pager (follow your team + view-schedule cards) ahead of the calendar date for testing or staggered launches. The natural date-based check still applies when this is false (the default).
+        type: Boolean
+        default: false
   homescreen:
     description: The homescreen that the user goes to when they press home or new tab.
     variables:
diff --git a/experimenter/experimenter/features/manifests/fenix/v152.0.0/release.fml.yaml b/experimenter/experimenter/features/manifests/fenix/v152.0.0/release.fml.yaml
@@ -319,6 +319,11 @@ features:
         description: If true, Homepage Sports Widget is enabled.
         type: Boolean
         default: false
+      force-one-week-to-world-cup:
+        description: |
+          If true, treat the user as being within one week of the World Cup kickoff regardless of the device date. Used to roll out the pre-tournament pager (follow your team + view-schedule cards) ahead of the calendar date for testing or staggered launches. The natural date-based check still applies when this is false (the default).
+        type: Boolean
+        default: false
   homescreen:
     description: The homescreen that the user goes to when they press home or new tab.
     variables:
diff --git a/experimenter/experimenter/features/manifests/firefox-desktop/.ref-cache.yaml b/experimenter/experimenter/features/manifests/firefox-desktop/.ref-cache.yaml
@@ -2,5 +2,5 @@ beta: 83e871927810f621bb3067b265649aa9505ad84f
 esr115: 84341e2725284f1e82f53127f28289454daee783
 esr128: ed38f9209e39bd7ad247c81a7c20c99c874e0a62
 esr140: ef9fef7a9928dfbea50e89a256d44492c2d28ca1
-main: 6e32b4962597e60549f9fc289aa627cae508887c
+main: 18e5fb40d97a66af059f724dae98a894804c9077
 release: 91d93ddd290c6fc70df44dbdc363fc5a0a6306c5
diff --git a/experimenter/experimenter/features/manifests/firefox-desktop/experimenter.yaml b/experimenter/experimenter/features/manifests/firefox-desktop/experimenter.yaml
@@ -2290,6 +2290,18 @@ pdfjs:
         branch: default
         pref: pdfjs.enableSignatureEditor
 
+fxms-message:
+  description: A messaging channel that supports multiple simultaneous enrollments
+  owner: omc@mozilla.com
+  allowCoenrollment: true
+  hasExposure: true
+  exposureDescription: >-
+    "Exposure is sent if the message is about to be shown after trigger and targeting conditions on the message matched."
+  schema:
+    uri: "chrome://browser/content/asrouter/schemas/MessagingExperiment.schema.json"
+    path: "browser/components/asrouter/content-src/schemas/MessagingExperiment.schema.json"
+  variables: {}
+
 # fxms-message-* placeholder feature ids
 #
 # https://docs.google.com/spreadsheets/d/119YbeKStLL0Fg2QkK-yN93mrtD1rlneGZGTl_jAwtyw/edit#gid=1903378504
@@ -2964,11 +2976,23 @@ networking:
         branch: default
         pref: "network.http.http3.cc_algorithm"
     http3SlowStartAlgorithm:
-      description: The slow start algorithm with which to configure neqo. Use 0 for Classic, 1 for HyStart++.
+      description: The slow start algorithm with which to configure neqo. Use 0 for Classic, 1 for HyStart++, 2 for SEARCH.
       type: int
       setPref:
         branch: default
         pref: "network.http.http3.slow_start_algorithm"
+    http3HyStartAlternativeCssBaseline:
+      description: Whether the HyStart++ alternative CSS baseline value should be used. Has no effect if HyStart++ is not used.
+      type: boolean
+      setPref:
+        branch: default
+        pref: "network.http.http3.hystart_alternative_css_baseline"
+    http3SpuriousRecovery:
+      description: Whether Spurious Congestion Event Recovery is turned on.
+      type: boolean
+      setPref:
+        branch: default
+        pref: "network.http.http3.spurious_recovery"
     enableOffMainThreadStreamDecompression:
       description: Whether to enable decompression of network streams off-main-thread
       type: boolean
diff --git a/experimenter/experimenter/features/manifests/firefox-desktop/schemas/browser/components/asrouter/content-src/schemas/MessagingExperiment.schema.json b/experimenter/experimenter/features/manifests/firefox-desktop/schemas/browser/components/asrouter/content-src/schemas/MessagingExperiment.schema.json
@@ -1273,6 +1273,119 @@
         "targeting"
       ]
     },
+    "SmartWindowNewtabPromo": {
+      "$schema": "https://json-schema.org/draft/2019-09/schema",
+      "$id": "file:///SmartWindowNewtabPromo.schema.json",
+      "title": "SmartWindowNewtabPromo",
+      "description": "A template for promo messages that appear on the Smart Window new tab page.",
+      "allOf": [
+        {
+          "$ref": "chrome://browser/content/asrouter/schemas/MessagingExperiment.schema.json#/$defs/Message"
+        }
+      ],
+      "type": "object",
+      "properties": {
+        "content": {
+          "type": "object",
+          "properties": {
+            "type": {
+              "type": "string",
+              "description": "The visual style of the promo (passed through to moz-promo)."
+            },
+            "heading": {
+              "$ref": "chrome://browser/content/asrouter/schemas/MessagingExperiment.schema.json#/$defs/localizableText",
+              "description": "The heading text of the promo."
+            },
+            "message": {
+              "$ref": "chrome://browser/content/asrouter/schemas/MessagingExperiment.schema.json#/$defs/localizableText",
+              "description": "The body text of the promo."
+            },
+            "imageSrc": {
+              "type": "string",
+              "description": "URL of the image to display."
+            },
+            "imageAlignment": {
+              "type": "string",
+              "description": "Alignment of the image within the promo."
+            },
+            "imageWidth": {
+              "type": "string",
+              "description": "Width preset for the image."
+            },
+            "imageDisplay": {
+              "type": "string",
+              "description": "Display style for the image."
+            },
+            "primary_button": {
+              "type": "object",
+              "properties": {
+                "label": {
+                  "$ref": "chrome://browser/content/asrouter/schemas/MessagingExperiment.schema.json#/$defs/localizableText",
+                  "description": "The label for the primary action button."
+                },
+                "action": {
+                  "type": "object",
+                  "properties": {
+                    "type": {
+                      "type": "string",
+                      "description": "Action dispatched by the button."
+                    },
+                    "data": {
+                      "type": "object"
+                    }
+                  },
+                  "required": [
+                    "type"
+                  ],
+                  "additionalProperties": true,
+                  "description": "The action to take upon clicking the primary button."
+                }
+              },
+              "required": [
+                "label",
+                "action"
+              ]
+            },
+            "additional_button": {
+              "type": "object",
+              "properties": {
+                "label": {
+                  "$ref": "chrome://browser/content/asrouter/schemas/MessagingExperiment.schema.json#/$defs/localizableText",
+                  "description": "The label for the additional action button."
+                },
+                "action": {
+                  "type": "object",
+                  "properties": {
+                    "type": {
+                      "type": "string",
+                      "description": "Action dispatched by the button."
+                    },
+                    "data": {
+                      "type": "object"
+                    }
+                  },
+                  "required": [
+                    "type"
+                  ],
+                  "additionalProperties": true,
+                  "description": "The action to take upon clicking the additional button."
+                }
+              },
+              "required": [
+                "label",
+                "action"
+              ]
+            }
+          },
+          "additionalProperties": true
+        },
+        "template": {
+          "type": "string",
+          "const": "smart_window_newtab_promo"
+        }
+      },
+      "additionalProperties": true
+    },
     "Spotlight": {
       "$schema": "https://json-schema.org/draft/2019-09/schema",
       "$id": "file:///Spotlight.schema.json",
@@ -1647,6 +1760,7 @@
             "menu_message",
             "pb_newtab",
             "newtab_message",
+            "smart_window_newtab_promo",
             "spotlight",
             "feature_callout",
             "toast_notification",
@@ -1911,6 +2025,25 @@
             "$ref": "chrome://browser/content/asrouter/schemas/MessagingExperiment.schema.json#/$defs/NewtabMessage"
           }
         },
+        {
+          "if": {
+            "type": "object",
+            "properties": {
+              "template": {
+                "type": "string",
+                "enum": [
+                  "smart_window_newtab_promo"
+                ]
+              }
+            },
+            "required": [
+              "template"
+            ]
+          },
+          "then": {
+            "$ref": "chrome://browser/content/asrouter/schemas/MessagingExperiment.schema.json#/$defs/SmartWindowNewtabPromo"
+          }
+        },
         {
           "if": {
             "type": "object",
diff --git a/experimenter/experimenter/features/manifests/firefox-desktop/v152.0.0/experimenter.yaml b/experimenter/experimenter/features/manifests/firefox-desktop/v152.0.0/experimenter.yaml
@@ -2290,6 +2290,18 @@ pdfjs:
         branch: default
         pref: pdfjs.enableSignatureEditor
 
+fxms-message:
+  description: A messaging channel that supports multiple simultaneous enrollments
+  owner: omc@mozilla.com
+  allowCoenrollment: true
+  hasExposure: true
+  exposureDescription: >-
+    "Exposure is sent if the message is about to be shown after trigger and targeting conditions on the message matched."
+  schema:
+    uri: "chrome://browser/content/asrouter/schemas/MessagingExperiment.schema.json"
+    path: "browser/components/asrouter/content-src/schemas/MessagingExperiment.schema.json"
+  variables: {}
+
 # fxms-message-* placeholder feature ids
 #
 # https://docs.google.com/spreadsheets/d/119YbeKStLL0Fg2QkK-yN93mrtD1rlneGZGTl_jAwtyw/edit#gid=1903378504
@@ -2964,11 +2976,23 @@ networking:
         branch: default
         pref: "network.http.http3.cc_algorithm"
     http3SlowStartAlgorithm:
-      description: The slow start algorithm with which to configure neqo. Use 0 for Classic, 1 for HyStart++.
+      description: The slow start algorithm with which to configure neqo. Use 0 for Classic, 1 for HyStart++, 2 for SEARCH.
       type: int
       setPref:
         branch: default
         pref: "network.http.http3.slow_start_algorithm"
+    http3HyStartAlternativeCssBaseline:
+      description: Whether the HyStart++ alternative CSS baseline value should be used. Has no effect if HyStart++ is not used.
+      type: boolean
+      setPref:
+        branch: default
+        pref: "network.http.http3.hystart_alternative_css_baseline"
+    http3SpuriousRecovery:
+      description: Whether Spurious Congestion Event Recovery is turned on.
+      type: boolean
+      setPref:
+        branch: default
+        pref: "network.http.http3.spurious_recovery"
     enableOffMainThreadStreamDecompression:
       description: Whether to enable decompression of network streams off-main-thread
       type: boolean
diff --git a/experimenter/experimenter/features/manifests/firefox-desktop/v152.0.0/schemas/browser/components/asrouter/content-src/schemas/MessagingExperiment.schema.json b/experimenter/experimenter/features/manifests/firefox-desktop/v152.0.0/schemas/browser/components/asrouter/content-src/schemas/MessagingExperiment.schema.json
diff --git a/experimenter/experimenter/features/manifests/ios/.ref-cache.yaml b/experimenter/experimenter/features/manifests/ios/.ref-cache.yaml
