Hi,
Please note that these are placeholders for Material icons.
To add support for Material icons to your app: right-click on the project name in the Delphi Project Manager and select "Manage JavaScript libraries". Then select "Google Material Icons" and click the Apply button.
Now the text should be replaced by the appropriate icons.
Now the text should be replaced by the appropriate icons.
We'll investigate if this process can be automated to avoid confustion in the future.