On Android or iOS or did you mean sign a source release ...?<p>My guess is because of potential friction with reproducible building (for Android) and this for iOS:
<a href="https://github.com/WhisperSystems/Signal-iOS/issues/1063" rel="nofollow">https://github.com/WhisperSystems/Signal-iOS/issues/1063</a><p>hth,
adric
I don't know, but am I right in saying that he is generally in favour of ephemerality over verifiability? It'd seem odd to do this with definitely attributable works like software releases, but it is what would make most sense to me.