diff --git a/js_modules/dagster-ui/packages/ui-core/src/asset-graph/ExpandedGroupNode.tsx b/js_modules/dagster-ui/packages/ui-core/src/asset-graph/ExpandedGroupNode.tsx
index 181f6c7d7d485..318c10abe43d5 100644
--- a/js_modules/dagster-ui/packages/ui-core/src/asset-graph/ExpandedGroupNode.tsx
+++ b/js_modules/dagster-ui/packages/ui-core/src/asset-graph/ExpandedGroupNode.tsx
@@ -39,7 +39,7 @@ const GroupOutline = styled.div<{$minimal: boolean}>`
   inset: 0;
   top: 60px;
   position: absolute;
-  background: ${Colors.White};
+  background: rgba(255, 255, 255, 0.35);
   width: 100%;
   border-radius: 10px;
   border-top-left-radius: 0;
diff --git a/js_modules/dagster-ui/packages/ui-core/src/assets/AssetMaterializationUpstreamData.tsx b/js_modules/dagster-ui/packages/ui-core/src/assets/AssetMaterializationUpstreamData.tsx
index d9fd87e92e34a..6e1d663df1b8b 100644
--- a/js_modules/dagster-ui/packages/ui-core/src/assets/AssetMaterializationUpstreamData.tsx
+++ b/js_modules/dagster-ui/packages/ui-core/src/assets/AssetMaterializationUpstreamData.tsx
@@ -1,5 +1,5 @@
 import {gql, useQuery} from '@apollo/client';
-import {Box, Colors, Icon, MiddleTruncate} from '@dagster-io/ui-components';
+import {Box, Caption, Colors, Icon, MiddleTruncate} from '@dagster-io/ui-components';
 import dayjs from 'dayjs';
 import relativeTime from 'dayjs/plugin/relativeTime';
 import React from 'react';
@@ -155,6 +155,10 @@ export const AssetMaterializationUpstreamData = ({
     skip: !timestamp,
   });
 
+  if (!timestamp) {
+    return <Caption color={Colors.Gray500}>None</Caption>;
+  }
+
   const data =
     result.data?.assetNodeOrError.__typename === 'AssetNode'
       ? result.data.assetNodeOrError
diff --git a/js_modules/dagster-ui/packages/ui-core/src/assets/LaunchAssetChoosePartitionsDialog.tsx b/js_modules/dagster-ui/packages/ui-core/src/assets/LaunchAssetChoosePartitionsDialog.tsx
index 17adc27146ff6..5415788168b55 100644
--- a/js_modules/dagster-ui/packages/ui-core/src/assets/LaunchAssetChoosePartitionsDialog.tsx
+++ b/js_modules/dagster-ui/packages/ui-core/src/assets/LaunchAssetChoosePartitionsDialog.tsx
@@ -82,11 +82,7 @@ import {
   PartitionDefinitionForLaunchAssetFragment,
 } from './types/LaunchAssetExecutionButton.types';
 import {usePartitionDimensionSelections} from './usePartitionDimensionSelections';
-import {
-  PartitionDimensionSelection,
-  keyCountInSelections,
-  usePartitionHealthData,
-} from './usePartitionHealthData';
+import {PartitionDimensionSelection, usePartitionHealthData} from './usePartitionHealthData';
 
 const MISSING_FAILED_STATUSES = [AssetPartitionStatus.MISSING, AssetPartitionStatus.FAILED];
 
@@ -465,7 +461,7 @@ const LaunchAssetChoosePartitionsDialogBody = ({
                 {target.type === 'pureWithAnchorAsset' ? (
                   <span /> // we won't know until runtime
                 ) : (
-                  <span>{partitionCountString(keyCountInSelections(selections))}</span>
+                  <span>{partitionCountString(keysFiltered.length)}</span>
                 )}
               </Box>
             }