Version 4.21 is out.
List of changes:
General: Version has been changed to 4.21
W6/W7: Save File Viewer: Display 'Shoot' attack mode for all long weapons.
W6: Picture Editor: Fixed a recently introduced bug that leads to a crash when loading mon54.pic.
W8: Render Window: Fixed 'Invisible or Black Objects' rendering bug.
W8: Location Editor: Fixed 'Shimmering Halos' rendering bug.
W8: Select Spell Dialog: Fixed the slight mismatch in the names of the Magic Spheres.