Using

dependency "vibe-d" version="0.8.3"
subConfiguration "vibe-d:core" "libevent"

causes everything to work normally again.

On Sat, 10 Mar 2018 09:28:28 GMT, Sönke Ludwig wrote:

BTW, can you try to switch to libevent to see whether the issue is within vibe-core or vibe.d? (described at the end of http://vibed.org/blog/posts/vibe-release-0.8.3)