On Mon, 13 Nov 2017 00:26:06 GMT, Carl Sturtivant wrote:

On Sun, 12 Nov 2017 13:49:39 GMT, Sönke Ludwig wrote:

Spontaneously, I can't think of a recent logic change that might have caused this. Can you try to enable debug output by running with dub -- --vvv? That should print a stack trace when the error happens to get some more insight.

OK, here's the outcome of that. The form submitted has only a submit button and no other form elements in this version.

(...)

Ah, thanks, that finally lead me in the right direction! I was first searching in the wrong spot, but then finally remembered that there was a regression introduced by the change to parse form data lazily (#1966). It has been fixed recently by b2e27e4 and is contained in the latest 0.8.2-alpha.3.