Update viewer.js

viewer.js

@@ -435,6 +435,7 @@ export async function initializeViewer(config, instanceId) {
               tooltipsUrl: config.tooltips_url,
               defaultVisible: !!config.showTooltipsDefault,
               moveDuration: config.tooltipMoveDuration || 0.6
+              cacheMode: 'reload'
             });
           })
           .catch(() => {