Here proof that we shut the app down whilst the issue was being fixed, in English. There are more details in Dutch including the letters to Parliament we had to make covering the details. If you're Dutch use Google.

https://nltimes.nl/2021/04/29/coronamelder-app-taken-offline...

Here's the paper showing the Facebook had access to the logging and whole range of very suspect permissions:

https://arxiv.org/pdf/1905.02713