"dig blocks" orders are ignored until you reload your game

Summary:
On maps generated by mods “dig blocks” orders are sometimes ignored until you reload your game

Steps to reproduce:

  1. Generate a Canyon or Archipelago map
  2. While playing, dig a lot of stairs everywhere
  3. Hearthlings sometimes forget the dig order until you save and reload

Expected Results:
Hearthlings dig the blocks

Actual Results:
Hearthlings forgot to dig your blocks

Notes:
none

Attachments:
none

Version Number and Mods in use:
Alpha19
Archipelago
Canyon

System Information:
AMD 64 8 Go

sounds like a task buffering issue. The game has to much data to work true and reloading resets that. Hopefully there will be some performance improvements in the near future to lower the change this happening.