diff --git a/javascript/sentry-conventions/src/attributes.ts b/javascript/sentry-conventions/src/attributes.ts
index ffc1fa92..b18e97ce 100644
--- a/javascript/sentry-conventions/src/attributes.ts
+++ b/javascript/sentry-conventions/src/attributes.ts
@@ -3477,6 +3477,7 @@ export type BROWSER_VERSION_TYPE = string;
  * Attribute defined in OTEL: No
  * Visibility: public
  *
+ * @deprecated  - The JavaScript SDK stopped setting this in v11. With per-navigation web vitals, web-vitals decides when the CLS value is final, so there is no report event to record. No replacement.
  * @example "navigation"
  */
 export const BROWSER_WEB_VITAL_CLS_REPORT_EVENT = 'browser.web_vital.cls.report_event';
@@ -3712,6 +3713,7 @@ export type BROWSER_WEB_VITAL_LCP_RENDER_TIME_TYPE = number;
  * Attribute defined in OTEL: No
  * Visibility: public
  *
+ * @deprecated  - The JavaScript SDK stopped setting this in v11. With per-navigation web vitals, web-vitals decides when the LCP value is final, so there is no report event to record. No replacement.
  * @example "pagehide"
  */
 export const BROWSER_WEB_VITAL_LCP_REPORT_EVENT = 'browser.web_vital.lcp.report_event';
@@ -16106,7 +16108,7 @@ export type SENTRY_REPLAY_IS_BUFFERING_TYPE = boolean;
  * Attribute defined in OTEL: No
  * Visibility: public
  *
- * @deprecated  - The report event is now recorded as a browser.web_vital.lcp.report_event or browser.web_vital.cls.report_event attribute. No backfill required.
+ * @deprecated  - The report event moved to browser.web_vital.lcp.report_event and browser.web_vital.cls.report_event, which are themselves deprecated without a replacement. No backfill required.
  * @example "pagehide"
  */
 export const SENTRY_REPORT_EVENT = 'sentry.report_event';
@@ -23596,7 +23598,18 @@ export const ATTRIBUTE_METADATA: Record<AttributeName, AttributeMetadata> = {
     isInOtel: false,
     visibility: 'public',
     example: 'navigation',
-    changelog: [{ version: '0.5.0', prs: [319], description: 'Added browser.web_vital.cls.report_event attribute' }],
+    deprecation: {
+      reason:
+        'The JavaScript SDK stopped setting this in v11. With per-navigation web vitals, web-vitals decides when the CLS value is final, so there is no report event to record. No replacement.',
+    },
+    changelog: [
+      {
+        version: 'next',
+        prs: [642],
+        description: 'Deprecated browser.web_vital.cls.report_event, which has no replacement',
+      },
+      { version: '0.5.0', prs: [319], description: 'Added browser.web_vital.cls.report_event attribute' },
+    ],
   },
   'browser.web_vital.cls.source.<key>': {
     brief: 'The HTML elements or components responsible for the layout shift. <key> is a numeric index from 1 to N',
@@ -23726,7 +23739,18 @@ export const ATTRIBUTE_METADATA: Record<AttributeName, AttributeMetadata> = {
     isInOtel: false,
     visibility: 'public',
     example: 'pagehide',
-    changelog: [{ version: '0.5.0', prs: [319], description: 'Added browser.web_vital.lcp.report_event attribute' }],
+    deprecation: {
+      reason:
+        'The JavaScript SDK stopped setting this in v11. With per-navigation web vitals, web-vitals decides when the LCP value is final, so there is no report event to record. No replacement.',
+    },
+    changelog: [
+      {
+        version: 'next',
+        prs: [642],
+        description: 'Deprecated browser.web_vital.lcp.report_event, which has no replacement',
+      },
+      { version: '0.5.0', prs: [319], description: 'Added browser.web_vital.lcp.report_event attribute' },
+    ],
   },
   'browser.web_vital.lcp.size': {
     brief: 'The size of the largest contentful paint element',
@@ -32561,9 +32585,17 @@ export const ATTRIBUTE_METADATA: Record<AttributeName, AttributeMetadata> = {
     example: 'pagehide',
     deprecation: {
       reason:
-        'The report event is now recorded as a browser.web_vital.lcp.report_event or browser.web_vital.cls.report_event attribute. No backfill required.',
+        'The report event moved to browser.web_vital.lcp.report_event and browser.web_vital.cls.report_event, which are themselves deprecated without a replacement. No backfill required.',
     },
-    changelog: [{ version: '0.5.0', prs: [320], description: 'Added sentry.report_event attribute' }],
+    changelog: [
+      {
+        version: 'next',
+        prs: [642],
+        description:
+          'Updated the deprecation reason now that the browser.web_vital.*.report_event attributes are deprecated',
+      },
+      { version: '0.5.0', prs: [320], description: 'Added sentry.report_event attribute' },
+    ],
   },
   'sentry.sdk.integrations': {
     brief:
diff --git a/javascript/sentry-conventions/src/search.ts b/javascript/sentry-conventions/src/search.ts
index d39ab76d..05c74fd8 100644
--- a/javascript/sentry-conventions/src/search.ts
+++ b/javascript/sentry-conventions/src/search.ts
@@ -922,6 +922,8 @@ export const SEARCH_BROWSER__VERSION = 'browser.version';
 
 /**
  * Search name for {@link attributes.BROWSER_WEB_VITAL_CLS_REPORT_EVENT}. `browser.web_vital.cls.report_event`
+ *
+ * @deprecated
  */
 export const SEARCH_BROWSER__WEB_VITAL__CLS__REPORT_EVENT = 'browser.web_vital.cls.report_event';
 
@@ -972,6 +974,8 @@ export const SEARCH_BROWSER__WEB_VITAL__LCP__RENDER_TIME = 'browser.web_vital.lc
 
 /**
  * Search name for {@link attributes.BROWSER_WEB_VITAL_LCP_REPORT_EVENT}. `browser.web_vital.lcp.report_event`
+ *
+ * @deprecated
  */
 export const SEARCH_BROWSER__WEB_VITAL__LCP__REPORT_EVENT = 'browser.web_vital.lcp.report_event';
 
diff --git a/model/attributes/browser/browser__web_vital__cls__report_event.json b/model/attributes/browser/browser__web_vital__cls__report_event.json
index 3a35db57..e8279749 100644
--- a/model/attributes/browser/browser__web_vital__cls__report_event.json
+++ b/model/attributes/browser/browser__web_vital__cls__report_event.json
@@ -7,8 +7,17 @@
   },
   "is_in_otel": false,
   "example": "navigation",
+  "deprecation": {
+    "reason": "The JavaScript SDK stopped setting this in v11. With per-navigation web vitals, web-vitals decides when the CLS value is final, so there is no report event to record. No replacement.",
+    "_status": null
+  },
   "visibility": "public",
   "changelog": [
+    {
+      "version": "next",
+      "prs": [642],
+      "description": "Deprecated browser.web_vital.cls.report_event, which has no replacement"
+    },
     {
       "version": "0.5.0",
       "prs": [319],
diff --git a/model/attributes/browser/browser__web_vital__lcp__report_event.json b/model/attributes/browser/browser__web_vital__lcp__report_event.json
index 1f82da0a..81376648 100644
--- a/model/attributes/browser/browser__web_vital__lcp__report_event.json
+++ b/model/attributes/browser/browser__web_vital__lcp__report_event.json
@@ -7,8 +7,17 @@
   },
   "is_in_otel": false,
   "example": "pagehide",
+  "deprecation": {
+    "reason": "The JavaScript SDK stopped setting this in v11. With per-navigation web vitals, web-vitals decides when the LCP value is final, so there is no report event to record. No replacement.",
+    "_status": null
+  },
   "visibility": "public",
   "changelog": [
+    {
+      "version": "next",
+      "prs": [642],
+      "description": "Deprecated browser.web_vital.lcp.report_event, which has no replacement"
+    },
     {
       "version": "0.5.0",
       "prs": [319],
diff --git a/model/attributes/sentry/sentry__report_event.json b/model/attributes/sentry/sentry__report_event.json
index 0f517d1b..da9ddbf2 100644
--- a/model/attributes/sentry/sentry__report_event.json
+++ b/model/attributes/sentry/sentry__report_event.json
@@ -8,11 +8,16 @@
   "is_in_otel": false,
   "example": "pagehide",
   "deprecation": {
-    "reason": "The report event is now recorded as a browser.web_vital.lcp.report_event or browser.web_vital.cls.report_event attribute. No backfill required.",
+    "reason": "The report event moved to browser.web_vital.lcp.report_event and browser.web_vital.cls.report_event, which are themselves deprecated without a replacement. No backfill required.",
     "_status": null
   },
   "visibility": "public",
   "changelog": [
+    {
+      "version": "next",
+      "prs": [642],
+      "description": "Updated the deprecation reason now that the browser.web_vital.*.report_event attributes are deprecated"
+    },
     {
       "version": "0.5.0",
       "prs": [320],
diff --git a/python/src/sentry_conventions/attributes.py b/python/src/sentry_conventions/attributes.py
index e5dc47e6..3122bf6c 100644
--- a/python/src/sentry_conventions/attributes.py
+++ b/python/src/sentry_conventions/attributes.py
@@ -220,6 +220,8 @@ class _AttributeNamesMeta(type):
         "_AWS_REQUEST_ID",
         "AWS_REQUEST_URL",
         "AWS_REGION",
+        "BROWSER_WEB_VITAL_CLS_REPORT_EVENT",
+        "BROWSER_WEB_VITAL_LCP_REPORT_EVENT",
         "CLOUDFLARE_D1_QUERY_TYPE",
         "CLS_SOURCE_KEY",
         "CLS",
@@ -2404,6 +2406,7 @@ class ATTRIBUTE_NAMES(metaclass=_AttributeNamesMeta):
     Apply Scrubbing: manual
     Defined in OTEL: No
     Visibility: public
+    DEPRECATED: No replacement at this time - The JavaScript SDK stopped setting this in v11. With per-navigation web vitals, web-vitals decides when the CLS value is final, so there is no report event to record. No replacement.
     Example: "navigation"
     """
 
@@ -2544,6 +2547,7 @@ class ATTRIBUTE_NAMES(metaclass=_AttributeNamesMeta):
     Apply Scrubbing: manual
     Defined in OTEL: No
     Visibility: public
+    DEPRECATED: No replacement at this time - The JavaScript SDK stopped setting this in v11. With per-navigation web vitals, web-vitals decides when the LCP value is final, so there is no report event to record. No replacement.
     Example: "pagehide"
     """
 
@@ -9481,7 +9485,7 @@ class ATTRIBUTE_NAMES(metaclass=_AttributeNamesMeta):
     Apply Scrubbing: manual
     Defined in OTEL: No
     Visibility: public
-    DEPRECATED: No replacement at this time - The report event is now recorded as a browser.web_vital.lcp.report_event or browser.web_vital.cls.report_event attribute. No backfill required.
+    DEPRECATED: No replacement at this time - The report event moved to browser.web_vital.lcp.report_event and browser.web_vital.cls.report_event, which are themselves deprecated without a replacement. No backfill required.
     Example: "pagehide"
     """
 
@@ -14305,7 +14309,15 @@ class ATTRIBUTE_NAMES(metaclass=_AttributeNamesMeta):
         is_in_otel=False,
         visibility=Visibility.PUBLIC,
         example="navigation",
+        deprecation=DeprecationInfo(
+            reason="The JavaScript SDK stopped setting this in v11. With per-navigation web vitals, web-vitals decides when the CLS value is final, so there is no report event to record. No replacement."
+        ),
         changelog=[
+            ChangelogEntry(
+                version="next",
+                prs=[642],
+                description="Deprecated browser.web_vital.cls.report_event, which has no replacement",
+            ),
             ChangelogEntry(
                 version="0.5.0",
                 prs=[319],
@@ -14474,7 +14486,15 @@ class ATTRIBUTE_NAMES(metaclass=_AttributeNamesMeta):
         is_in_otel=False,
         visibility=Visibility.PUBLIC,
         example="pagehide",
+        deprecation=DeprecationInfo(
+            reason="The JavaScript SDK stopped setting this in v11. With per-navigation web vitals, web-vitals decides when the LCP value is final, so there is no report event to record. No replacement."
+        ),
         changelog=[
+            ChangelogEntry(
+                version="next",
+                prs=[642],
+                description="Deprecated browser.web_vital.lcp.report_event, which has no replacement",
+            ),
             ChangelogEntry(
                 version="0.5.0",
                 prs=[319],
@@ -24769,9 +24789,14 @@ class ATTRIBUTE_NAMES(metaclass=_AttributeNamesMeta):
         visibility=Visibility.PUBLIC,
         example="pagehide",
         deprecation=DeprecationInfo(
-            reason="The report event is now recorded as a browser.web_vital.lcp.report_event or browser.web_vital.cls.report_event attribute. No backfill required."
+            reason="The report event moved to browser.web_vital.lcp.report_event and browser.web_vital.cls.report_event, which are themselves deprecated without a replacement. No backfill required."
         ),
         changelog=[
+            ChangelogEntry(
+                version="next",
+                prs=[642],
+                description="Updated the deprecation reason now that the browser.web_vital.*.report_event attributes are deprecated",
+            ),
             ChangelogEntry(
                 version="0.5.0",
                 prs=[320],