diff --git a/experimenter/experimenter/features/manifests/fenix/.ref-cache.yaml b/experimenter/experimenter/features/manifests/fenix/.ref-cache.yaml
index ade46b52b3..9caf6b484a 100644
--- a/experimenter/experimenter/features/manifests/fenix/.ref-cache.yaml
+++ b/experimenter/experimenter/features/manifests/fenix/.ref-cache.yaml
@@ -1,3 +1,3 @@
-beta: a64cc659cd6532fb4e838d76c71f6162076cba17
-master: 7d1b5c88343879056168aa710a9ee743392604c0
-release: eac9a2a9d14dfb013cd293c69fb8c3e62f86baaa
+beta: 37d3995a57630da7952db8dc641236abd87cc9aa
+master: 6b61714b224f8cdca1a48ef1c51edab027f2c09f
+release: bad91669ae17673b3f19d6f8d705ef156f0f7e08
diff --git a/experimenter/experimenter/features/manifests/fenix/beta.fml.yaml b/experimenter/experimenter/features/manifests/fenix/beta.fml.yaml
index d68d0e1e44..1d3a72116d 100644
--- a/experimenter/experimenter/features/manifests/fenix/beta.fml.yaml
+++ b/experimenter/experimenter/features/manifests/fenix/beta.fml.yaml
@@ -478,6 +478,13 @@ features:
         description: Open in app button
         type: Boolean
         default: true
+  pki:
+    description: Certificate verification configuration
+    variables:
+      certificateTransparencyMode:
+        description: "What mode Certificate Transparency is in (0=disable, 1=telemetry only, 2=enforce).\n"
+        type: Int
+        default: 0
   print:
     description: A feature for printing from the share or browser menu.
     variables:
diff --git a/experimenter/experimenter/features/manifests/fenix/developer.fml.yaml b/experimenter/experimenter/features/manifests/fenix/developer.fml.yaml
index 517bc02740..0741686dfa 100644
--- a/experimenter/experimenter/features/manifests/fenix/developer.fml.yaml
+++ b/experimenter/experimenter/features/manifests/fenix/developer.fml.yaml
@@ -504,6 +504,13 @@ features:
         description: Open in app button
         type: Boolean
         default: true
+  pki:
+    description: Certificate verification configuration
+    variables:
+      certificateTransparencyMode:
+        description: "What mode Certificate Transparency is in (0=disable, 1=telemetry only, 2=enforce).\n"
+        type: Int
+        default: 0
   print:
     description: A feature for printing from the share or browser menu.
     variables:
diff --git a/experimenter/experimenter/features/manifests/fenix/experimenter.yaml b/experimenter/experimenter/features/manifests/fenix/experimenter.yaml
index 7409d0b772..cf4d61375a 100644
--- a/experimenter/experimenter/features/manifests/fenix/experimenter.yaml
+++ b/experimenter/experimenter/features/manifests/fenix/experimenter.yaml
@@ -274,6 +274,14 @@ pdfjs:
     open-in-app-button:
       type: boolean
       description: Open in app button
+pki:
+  description: Certificate verification configuration
+  hasExposure: true
+  exposureDescription: ""
+  variables:
+    certificateTransparencyMode:
+      type: int
+      description: "What mode Certificate Transparency is in (0=disable, 1=telemetry only, 2=enforce).\n"
 print:
   description: A feature for printing from the share or browser menu.
   hasExposure: true
diff --git a/experimenter/experimenter/features/manifests/fenix/nightly.fml.yaml b/experimenter/experimenter/features/manifests/fenix/nightly.fml.yaml
index edcbcfeedf..3280e557a9 100644
--- a/experimenter/experimenter/features/manifests/fenix/nightly.fml.yaml
+++ b/experimenter/experimenter/features/manifests/fenix/nightly.fml.yaml
@@ -478,6 +478,13 @@ features:
         description: Open in app button
         type: Boolean
         default: true
+  pki:
+    description: Certificate verification configuration
+    variables:
+      certificateTransparencyMode:
+        description: "What mode Certificate Transparency is in (0=disable, 1=telemetry only, 2=enforce).\n"
+        type: Int
+        default: 0
   print:
     description: A feature for printing from the share or browser menu.
     variables:
diff --git a/experimenter/experimenter/features/manifests/fenix/release.fml.yaml b/experimenter/experimenter/features/manifests/fenix/release.fml.yaml
index 5743e0dc57..fa536ea810 100644
--- a/experimenter/experimenter/features/manifests/fenix/release.fml.yaml
+++ b/experimenter/experimenter/features/manifests/fenix/release.fml.yaml
@@ -478,6 +478,13 @@ features:
         description: Open in app button
         type: Boolean
         default: true
+  pki:
+    description: Certificate verification configuration
+    variables:
+      certificateTransparencyMode:
+        description: "What mode Certificate Transparency is in (0=disable, 1=telemetry only, 2=enforce).\n"
+        type: Int
+        default: 0
   print:
     description: A feature for printing from the share or browser menu.
     variables:
diff --git a/experimenter/experimenter/features/manifests/fenix/v136.0.0/beta.fml.yaml b/experimenter/experimenter/features/manifests/fenix/v136.0.0/beta.fml.yaml
index d68d0e1e44..1d3a72116d 100644
--- a/experimenter/experimenter/features/manifests/fenix/v136.0.0/beta.fml.yaml
+++ b/experimenter/experimenter/features/manifests/fenix/v136.0.0/beta.fml.yaml
@@ -478,6 +478,13 @@ features:
         description: Open in app button
         type: Boolean
         default: true
+  pki:
+    description: Certificate verification configuration
+    variables:
+      certificateTransparencyMode:
+        description: "What mode Certificate Transparency is in (0=disable, 1=telemetry only, 2=enforce).\n"
+        type: Int
+        default: 0
   print:
     description: A feature for printing from the share or browser menu.
     variables:
diff --git a/experimenter/experimenter/features/manifests/fenix/v136.0.0/developer.fml.yaml b/experimenter/experimenter/features/manifests/fenix/v136.0.0/developer.fml.yaml
index 517bc02740..0741686dfa 100644
--- a/experimenter/experimenter/features/manifests/fenix/v136.0.0/developer.fml.yaml
+++ b/experimenter/experimenter/features/manifests/fenix/v136.0.0/developer.fml.yaml
@@ -504,6 +504,13 @@ features:
         description: Open in app button
         type: Boolean
         default: true
+  pki:
+    description: Certificate verification configuration
+    variables:
+      certificateTransparencyMode:
+        description: "What mode Certificate Transparency is in (0=disable, 1=telemetry only, 2=enforce).\n"
+        type: Int
+        default: 0
   print:
     description: A feature for printing from the share or browser menu.
     variables:
diff --git a/experimenter/experimenter/features/manifests/fenix/v136.0.0/experimenter.yaml b/experimenter/experimenter/features/manifests/fenix/v136.0.0/experimenter.yaml
index 7409d0b772..cf4d61375a 100644
--- a/experimenter/experimenter/features/manifests/fenix/v136.0.0/experimenter.yaml
+++ b/experimenter/experimenter/features/manifests/fenix/v136.0.0/experimenter.yaml
@@ -274,6 +274,14 @@ pdfjs:
     open-in-app-button:
       type: boolean
       description: Open in app button
+pki:
+  description: Certificate verification configuration
+  hasExposure: true
+  exposureDescription: ""
+  variables:
+    certificateTransparencyMode:
+      type: int
+      description: "What mode Certificate Transparency is in (0=disable, 1=telemetry only, 2=enforce).\n"
 print:
   description: A feature for printing from the share or browser menu.
   hasExposure: true
diff --git a/experimenter/experimenter/features/manifests/fenix/v136.0.0/nightly.fml.yaml b/experimenter/experimenter/features/manifests/fenix/v136.0.0/nightly.fml.yaml
index edcbcfeedf..3280e557a9 100644
--- a/experimenter/experimenter/features/manifests/fenix/v136.0.0/nightly.fml.yaml
+++ b/experimenter/experimenter/features/manifests/fenix/v136.0.0/nightly.fml.yaml
@@ -478,6 +478,13 @@ features:
         description: Open in app button
         type: Boolean
         default: true
+  pki:
+    description: Certificate verification configuration
+    variables:
+      certificateTransparencyMode:
+        description: "What mode Certificate Transparency is in (0=disable, 1=telemetry only, 2=enforce).\n"
+        type: Int
+        default: 0
   print:
     description: A feature for printing from the share or browser menu.
     variables:
diff --git a/experimenter/experimenter/features/manifests/fenix/v136.0.0/release.fml.yaml b/experimenter/experimenter/features/manifests/fenix/v136.0.0/release.fml.yaml
index 5743e0dc57..fa536ea810 100644
--- a/experimenter/experimenter/features/manifests/fenix/v136.0.0/release.fml.yaml
+++ b/experimenter/experimenter/features/manifests/fenix/v136.0.0/release.fml.yaml
@@ -478,6 +478,13 @@ features:
         description: Open in app button
         type: Boolean
         default: true
+  pki:
+    description: Certificate verification configuration
+    variables:
+      certificateTransparencyMode:
+        description: "What mode Certificate Transparency is in (0=disable, 1=telemetry only, 2=enforce).\n"
+        type: Int
+        default: 0
   print:
     description: A feature for printing from the share or browser menu.
     variables:
diff --git a/experimenter/experimenter/features/manifests/firefox-desktop/.ref-cache.yaml b/experimenter/experimenter/features/manifests/firefox-desktop/.ref-cache.yaml
index 06d999c563..c93e352a01 100644
--- a/experimenter/experimenter/features/manifests/firefox-desktop/.ref-cache.yaml
+++ b/experimenter/experimenter/features/manifests/firefox-desktop/.ref-cache.yaml
@@ -1,5 +1,5 @@
-beta: 2f218da698db4f92722be65f51a6e53d24321cec
-central: 114a69547c262e92d13156de8a309ee3de9ac35a
-esr115: 6a331477d572723c5a5f18cbcd665689c97165bc
-esr128: 10845c3218167063ec1c2fe66ea032fb2f53162a
-release: c455977f9b6c285c9c5ac1f9ae6b9bae5072ba84
+beta: c04744fcc1cb75e70ce17e8d92172c3d40fbd3e6
+central: bf40d95ccc9bf4bb1337d18ed853231b83382b7c
+esr115: 2c64c4cc6e15d11c1dd1708dc30088074295ac62
+esr128: 826f17057ab6c9f6c108d9dc489741e082c3672f
+release: ad89651d634a20ea7db2bd42eedab696128c289e
diff --git a/experimenter/experimenter/features/manifests/focus-ios/.ref-cache.yaml b/experimenter/experimenter/features/manifests/focus-ios/.ref-cache.yaml
index d0efb9bad6..83ffd01e35 100644
--- a/experimenter/experimenter/features/manifests/focus-ios/.ref-cache.yaml
+++ b/experimenter/experimenter/features/manifests/focus-ios/.ref-cache.yaml
@@ -13,7 +13,7 @@ focus/klar-v131.1: b7dca2271b14988837524a30eb154d91eb5e4912
 focus/klar-v132.0: d9ed6134db59ff456d343e2bb211aefd040319ac
 focus/klar-v133.0: a3372669a06fa684d3c5945c317d6787e3125303
 focus/klar-v134.0: be550d94c2c7bc8b8902cdf7fe542a64e73a381a
-main: 782d7a4b0ef7eadb70c56eb9486f3f6261b76468
+main: e93ef9d136efb9719311f3f51a24748d1e850bb3
 release/v124: da250bed9e19c4978d4400d6d404cb312e33636e
 release/v125: a3e1e0773a00009e08d95726fd518ab642255ccd
 release/v126: 6f305409b4af68e8404401a2caad8cb0da9a0494
@@ -24,5 +24,5 @@ release/v130: a48ec1b1f0219e1987bb38bc4f6b838f37dc6f12
 release/v131: 7444df581b62d357df12ddc3c90d821d940efbb8
 release/v132: cb318d0061ec6354167ecc1968020d5d75f1bffc
 release/v133: 7c651ce29e94c6389af7a69ec6b5c44251976e92
-release/v134: 846f290dfd0627f1873a524da439ebd7a1a4a932
+release/v134: 83fa5a2cbf8a2671f7c7e7c7cb60ab219e782ec8
 release/v135: 97d52f4eb357afc7cc73dfdf94ab6a585da2cf12
diff --git a/experimenter/experimenter/features/manifests/ios/.ref-cache.yaml b/experimenter/experimenter/features/manifests/ios/.ref-cache.yaml
index 4e5f55d13d..6269b1b33a 100644
--- a/experimenter/experimenter/features/manifests/ios/.ref-cache.yaml
+++ b/experimenter/experimenter/features/manifests/ios/.ref-cache.yaml
@@ -1,4 +1,4 @@
-main: 782d7a4b0ef7eadb70c56eb9486f3f6261b76468
+main: e93ef9d136efb9719311f3f51a24748d1e850bb3
 release/v117: 43b690c450066d4dde1b2ccb93ed3714d244d502
 release/v118: 89a7ea3c3372e5a4ef5b3c5b85499d26198d0524
 release/v119: 7dc381f991c6d2a983c3ba7f0cffd880e8c29e7b
@@ -16,7 +16,7 @@ release/v130: a48ec1b1f0219e1987bb38bc4f6b838f37dc6f12
 release/v131: 7444df581b62d357df12ddc3c90d821d940efbb8
 release/v132: cb318d0061ec6354167ecc1968020d5d75f1bffc
 release/v133: 7c651ce29e94c6389af7a69ec6b5c44251976e92
-release/v134: 846f290dfd0627f1873a524da439ebd7a1a4a932
+release/v134: 83fa5a2cbf8a2671f7c7e7c7cb60ab219e782ec8
 release/v135: 97d52f4eb357afc7cc73dfdf94ab6a585da2cf12
 v117.0: 3b275ab1e4ccef769d84437033c0c68acfd2df8a
 v117.1: 55ddcf473a65d106d43f6d2ae5af4076d6d03688