I think it's no problems to add "amd64" instead of "~amd64". :-) The source code of this application is quite 64bit clean. Reproducible: Always Steps to Reproduce: 1. 2. 3.
I added this package maintainer to CC.
Package has only been in unstable since 31st July - please bump this bug at the end of August if it hasn't been attended too by then! Thanks.
None of the versions has any keyword stable.
marked stable 1.2.16 and 1.2.18 on x86.