The construction halted due to winter icon seems to track the camera’s position, height and rotation, albeit at a much slower rate than the camera movement/rotation speed. This occurs regardless of whether the field is selected and apples to building new fields and expanding existing ones. The icon that shows the amount of work remaining also exhibits this behaviour. See below:
I just started new game on the playtest branch shortly before the release version of the patch was uploaded. The issue exhibits itself in the playtest and release version of the patch and also seems to affect graveyards. I’m not using any mods etc. I’ll upload a copy of the save files later on today.
@Zantai apologies, I got overtaken by events yesterday. I’ve PMed you a Google Drive link.