dagster-io
diff --git a/Diff for: ‎js_modules/dagster-ui/packages/ui-core/client.json
+1-1 b/Diff for: ‎js_modules/dagster-ui/packages/ui-core/client.json
+1-1
diff --git a/Diff for: ‎js_modules/dagster-ui/packages/ui-core/src/asset-data/AssetHealthDataProvider.tsx
+7 b/Diff for: ‎js_modules/dagster-ui/packages/ui-core/src/asset-data/AssetHealthDataProvider.tsx
+7
diff --git a/Diff for: ‎js_modules/dagster-ui/packages/ui-core/src/asset-data/types/AssetHealthDataProvider.types.ts
+14-1 b/Diff for: ‎js_modules/dagster-ui/packages/ui-core/src/asset-data/types/AssetHealthDataProvider.types.ts
+14-1
diff --git a/Diff for: ‎js_modules/dagster-ui/packages/ui-core/src/assets/AssetHealthSummary.tsx
+16 b/Diff for: ‎js_modules/dagster-ui/packages/ui-core/src/assets/AssetHealthSummary.tsx
+16
diff --git a/Diff for: ‎python_modules/dagster/dagster/_core/storage/event_log/sql_event_log.py
+2-2 b/Diff for: ‎python_modules/dagster/dagster/_core/storage/event_log/sql_event_log.py
+2-2
@@ -82,6 +82,9 @@ export const ASSETS_HEALTH_INFO_QUERY = gql`
         ...AssetHealthCheckUnknownMetaFragment
       }
       freshnessStatus
+      freshnessStatusMetadata {
+        ...AssetHealthFreshnessMetaFragment
+      }
     }
   }
 
@@ -114,6 +117,10 @@ export const ASSETS_HEALTH_INFO_QUERY = gql`
     numNotExecutedChecks
     totalNumChecks
   }
+
+  fragment AssetHealthFreshnessMetaFragment on AssetHealthFreshnessMeta {
+    lastMaterializedTimestamp
+  }
 `;
 
 // For tests
 
@@ -26,6 +26,7 @@ import {
   AssetHealthMaterializationDegradedNotPartitionedMetaFragment,
   AssetHealthMaterializationDegradedPartitionedMetaFragment,
   AssetHealthMaterializationWarningPartitionedMetaFragment,
+  AssetHealthFreshnessMetaFragment,
 } from '../asset-data/types/AssetHealthDataProvider.types';
 import {AssetHealthStatus} from '../graphql/types';
 import {numberFormatter} from '../ui/formatters';
@@ -85,6 +86,11 @@ export const AssetHealthSummary = React.memo(
               assetKey={key}
               text="Has no freshness violations"
               status={health?.freshnessStatus}
+              explanation={
+                !health || health?.freshnessStatus === AssetHealthStatus.NOT_APPLICABLE
+                  ? 'No freshness policy defined'
+                  : undefined
+              }
             />
             <Criteria
               assetKey={key}
@@ -126,6 +132,7 @@ const Criteria = React.memo(
       | AssetHealthMaterializationDegradedNotPartitionedMetaFragment
       | AssetHealthMaterializationDegradedPartitionedMetaFragment
       | AssetHealthMaterializationWarningPartitionedMetaFragment
+      | AssetHealthFreshnessMetaFragment
       | undefined
       | null;
     explanation?: string;
@@ -236,6 +243,15 @@ const Criteria = React.memo(
               </Link>
             </Body>
           );
+        case 'AssetHealthFreshnessMeta':
+          if (metadata.lastMaterializedTimestamp === null) {
+            return <Body>No materializations</Body>;
+          }
+          return (
+            <Body>
+              Last materialized at {new Date(metadata.lastMaterializedTimestamp).toLocaleString()}
+            </Body>
+          );
         case undefined:
           return null;
         default:
 
@@ -2057,14 +2057,14 @@ def get_paginated_dynamic_partitions(
             rows = conn.execute(query).fetchall()
 
         if rows:
-            next_cursor = StorageIdCursor(storage_id=cast(int, rows[-1][0])).to_string()
+            next_cursor = StorageIdCursor(storage_id=cast("int", rows[-1][0])).to_string()
         elif cursor:
             next_cursor = cursor
         else:
             next_cursor = StorageIdCursor(storage_id=-1).to_string()
 
         return PaginatedResults(
-            results=[cast(str, row[1]) for row in rows],
+            results=[cast("str", row[1]) for row in rows],
             cursor=next_cursor,
             has_more=len(rows) == limit,
         )
Original file line number	Diff line number	Diff line change
@@ -82,6 +82,9 @@ export const ASSETS_HEALTH_INFO_QUERY = gql`
`82`	`82`	`...AssetHealthCheckUnknownMetaFragment`
`83`	`83`	`}`
`84`	`84`	`freshnessStatus`
	`85`	`+ freshnessStatusMetadata {`
	`86`	`+ ...AssetHealthFreshnessMetaFragment`
	`87`	`+ }`
`85`	`88`	`}`
`86`	`89`	`}`
`87`	`90`
@@ -114,6 +117,10 @@ export const ASSETS_HEALTH_INFO_QUERY = gql`
`114`	`117`	`numNotExecutedChecks`
`115`	`118`	`totalNumChecks`
`116`	`119`	`}`
	`120`	`+`
	`121`	`+ fragment AssetHealthFreshnessMetaFragment on AssetHealthFreshnessMeta {`
	`122`	`+ lastMaterializedTimestamp`
	`123`	`+ }`
`117`	`124`	`;
`118`	`125`
`119`	`126`	`// For tests`