New source found from dndbeyond.com

ddb_main/tools/js/CharacterBuilder/components/OptionalFeature/OptionalFeature.tsx

@@ -1,6 +1,6 @@
 import React from "react";
 
-import { Checkbox, Select } from "@dndbeyond/character-components/es";
+import { Checkbox } from "@dndbeyond/character-components/es";
 import {
   Constants,
   FormatUtils,
@@ -10,6 +10,7 @@ import {
 
 import { CollapsibleContent } from "~/components/CollapsibleContent";
 import { Link } from "~/components/Link";
+import { Select } from "~/components/Select";
 
 export interface AffectedFeatureInfo {
   name: string;
@@ -161,20 +162,20 @@ export class OptionalFeature extends React.PureComponent<
     }
 
     return (
-      <React.Fragment>
+      <>
         <div className="ct-optional-feature__type">{introText.join(" ")}</div>
         {options.length > 1 && (
           <div className={classNames.join(" ")}>
             <Select
               options={options}
               value={affectedFeatureDefinitionKey}
-              onChangePromise={this.handleReplacementChangePromise}
+              onChangeConfirm={this.handleReplacementChangePromise}
               disabled={!isSelected}
-              preventClickPropagating={true}
+              name={"ct-optional-feature__select-input"}
             />
           </div>
         )}
-      </React.Fragment>
+      </>
     );
   };