As Skami said, loading the desynched-level.zip works! But we found that holding either Rail signals, Rain chain signals or Train stops in your hand (ready to place) it triggers a desync. Blueprinting existing signals/stops and using construction robots to place them avoids the desync, it seems. To a...

And the desync report from the client (mine) trying to connect to the headless server: http://puu.sh/pKy3l/0f0299e2ef.zip

OS: Windows 8.1 x64

Desync report added.

More details: Pure vanilla Factorio, i.e. no mods. Desync is instant. Tried two different hosts, with two different savegames (of the same map, saved within seconds of each other on different computers).

Edit: Link to complete desync report directory (zipped): Dropbox

We tried loading our huge map (zip file is just above 20MB) from 0.12.35, and while the server does that with no problems, the clients have issues. After downloading the map when connecting, a desync message appears, and the client redownloads the map. Then another desync message appears, and the ma...