It's been a long time coming, but it's worth the wait. This is Dune Wars 1.8 based on the Dune novels of Frank Herbert. Lots of new and refined units, buildings, art and mechanics for your delectation. :)
Headline Changes since 1.7
+ Big overhaul of the tech tree with the aim of making the flow of the game more logical and thematic, and keeping the late game interesting. Details in this thread.
+ New Units: including Fish Speaker, Harkonnen Howitzer, Monitor Warship and Cymek
+ New Buildings: including Factory, Spice Silo, Palmery, Merchant Quarter, Jihad Veterans' Barracks, Semuta Den, Commodities Exchange, Pilgrimage Site
+ New Wonders: The Hajj, The Great Keep and Great Convention Breached! (Atomics)
+ New Terrain Features: Peaks, Outcrops and Forests from terraforming
+ New Melting Lens Improvement: You can now terraform the polar regions.
+ New Moisture system for controlling terraforming and the no-go areas for worms and spice.
+ Worms now break through the sand when they destroy harvesters.
+ Lots of new units art: Solider, Infantry, 5 new Suspensor Craft, Shai Hulud Sayyadina, Great Prophet, Mentat, Heavy Scorpion, Roller, Missile Launcher, Laza Tiger, No Ship, Kindjal Infantry, Ordos Chemical Trooper, Ordos Heavy Trooper, Harkonnen Heavy Trooper, Harkonnen Howitzer, Monitor Warship.
+ Lots of refinement to Dune Encyclopedia content, more Quotes, etc.
+ Better city placement by the AI
+ Collection of spice revenues now happens directly at your palace without requiring the use of Corporations
For more detail on the changes since version 1.7, see the following CFC posts: