How can I add a trailing slash to TYPO3 v9 URLs?

Question

When updating from TYPO3 8.7 to TYPO3 9.5 you might drop the realurl extension in favor for the new routing feature.

But you might notice, that realurl appended a / to a

Answer 1

You can use the PageTypeEnhancer for mapping &type parameter in your site configuration (config.yaml file):

routeEnhancers:
  PageTypeSuffix:
    type: PageType
    default: '/'
    index: ''
    map:
      '/': 0