For official downloads and the most stable experience, it is recommended to use the Fatshark Forums or authorized digital storefronts rather than older versioned standalone files. Warhammer 40,000: Darktide - Official Website

Fixed Dreg Tox Bombers and Scab Bombers failing their long-range throws.

If you are looking for the most recent content and stability fixes, you should update your game via Steam or the Windows Store to access the following:

Fixed "Light 'Em Up" failing to stack Burn damage on projectile weapons like the Grenadier Gauntlet.