I messaged Flattr support the following message:
Är testperioden över och har ni beslutat att ej längre ta emot Bitcoin?
Approximate translation to English:
There are 15 payment alternatives to add money at https://flattr.com/payments but I miss the alternative for Bitcoin.
http://blog.flattr.net/2013/07/adding-bitcoin-support/
Is the testperiod over and have you decided to no longer accept Bitcoin?
And got the following reply:
Hi
Vi fick stänga av det för det funkade inte alls som det behövde göra
Regards Linus
Approximate translation to English:
Hi
We had to close it down because it did not at all work like it should have done
Regards Linus
Has anybody received a message from them where they say that they are working on it, to start accepting Bitcoin again?