diff --git a/web-console/src/components/auto-form/auto-form.tsx b/web-console/src/components/auto-form/auto-form.tsx
index 91282d971b67..4c51d2cbf5a9 100644
--- a/web-console/src/components/auto-form/auto-form.tsx
+++ b/web-console/src/components/auto-form/auto-form.tsx
@@ -57,7 +57,7 @@ export interface Field<M> {
     | 'json'
     | 'interval'
     | 'custom';
-  defaultValue?: any;
+  defaultValue?: Functor<M, any>;
   emptyValue?: any;
   suggestions?: Functor<M, Suggestion[]>;
   placeholder?: Functor<M, string>;
@@ -131,7 +131,9 @@ export class AutoForm<T extends Record<string, any>> extends React.PureComponent
     const required = AutoForm.evaluateFunctor(field.required, model, false);
     return {
       required,
-      defaultValue: required ? undefined : field.defaultValue,
+      defaultValue: required
+        ? undefined
+        : AutoForm.evaluateFunctor(field.defaultValue, model as any, undefined),
       modelValue: deepGet(model as any, field.name),
     };
   }
diff --git a/web-console/src/druid-models/ingestion-spec/ingestion-spec.tsx b/web-console/src/druid-models/ingestion-spec/ingestion-spec.tsx
index 45f84c8a809c..65a7ed3b6c4b 100644
--- a/web-console/src/druid-models/ingestion-spec/ingestion-spec.tsx
+++ b/web-console/src/druid-models/ingestion-spec/ingestion-spec.tsx
@@ -2045,7 +2045,7 @@ const TUNING_FORM_FIELDS: Field<IngestionSpec>[] = [
   {
     name: 'spec.tuningConfig.maxRowsInMemory',
     type: 'number',
-    defaultValue: 1000000,
+    defaultValue: (spec: IngestionSpec) => (isStreamingSpec(spec) ? 150000 : 1000000),
     info: <>Used in determining when intermediate persists to disk should occur.</>,
   },
   {
diff --git a/web-console/src/entry.scss b/web-console/src/entry.scss
index 1304f2aa3507..c980decba1eb 100644
--- a/web-console/src/entry.scss
+++ b/web-console/src/entry.scss
@@ -64,6 +64,11 @@ body {
   }
 }
 
+// Make segmented control buttons appear blue when they are primary
+.#{$bp-ns}-segmented-control > .#{$bp-ns}-button.#{$bp-ns}-small.#{$bp-ns}-intent-primary {
+  color: $blue5;
+}
+
 // Prevent popover menus from being longer than 45% of available height, let them scroll instead
 .#{$bp-ns}-popover-content > .#{$bp-ns}-menu {
   max-height: 47vh;