Here's the latest stable release of Wintermaul Wars X available since end of july, the Wintermaul Wars 0.84X. Here's the changes of all WWX maps:

0.7X: First Wintermaul Wars to 'work' with 1.10 patch.
0.71X: Fully worked with 1.10 (botton team fixed) and dragons gained priority to be attacked more often.
0.72X: elemental chooser bug fixed and leaving players functions recoded to give their cash and share their income when they leave..
0.73X: leaving players cheat fixed.
0.74X: leaderboard iimproved, hotkeys changed, code optimized again and added few codes to remove dead units from memory speeding up the game).
0.75X: Enemy builders will no longer build at your base.
0.76X: Monsters hotkeys fully improved. Now you can build all of them with your keyboard.
0.76X and 0.77X: Ice improved and re-ballanced.
0.78X: Hotkeys descriptions fixed, leaderboard titles suffered colour change, loading screen remade, added a welcome message and quests.
0.79X: Shrine Level 2 problem fixed. Several minor bugs fixed related to hotkeys.
0.8X: Movement system lightly changed and another fix for leaving players stuff and improvements on the initial values of leaderboard and... the most noticeable change: special ways to the ships to avoid those who block sides in the end... Strategies in this map needs changes... (thanks for Wintermaul Wars TFT for that one)
0.81X: Special ways improved.
0.82X: New side: Air! And also, adition of doodads in the entrance of special way + fix in the top right special way, farm bug fixed (which means that Infernals and Demonic Pets can now be built).
0.83X: Air ballanced and now air towers can be upgraded. Movement system of attackers is now improved and some strategies might need to be redone. It also displays the kills of your team every round.

0.84X: Ice may now upgrade its towers just like Air does. Ice art improved. Sky Tower Upgrade bug fixed. Wind Post is now weaker. Another attempt to fix the leaving all bug has been made. Zeus Upgrade and Tornado Master animations fixed.