Please keep in mind new items and buildings are not in the demo but all other improvements are:
Release 0.1.3
Added Market building where you can exchange resource and craft clothing.
Added clothing which reduces the settler's food cost per turn by 1.
Collect Pelts from Wolves to produce clothing.
Added shields which provides armour from attacks, reducing damage applied by 1.
Shields and Lanterns are now held in an offhand slot for you and settlers.
Enemies now block during combat.
Winter weather changed from rain to snow effects.
Water is now solid ice during Winter.
Comfort level now only affects the amount of bonus health for settlers.
Added Post Processing Anti Aliasing settings.
Fixed NPCs always targeting the player regardless if there are other targets that are closer.
Added missing icons and general UI improvements.
Fixed items still being produced by settlers without homes.
Fixed infinite overworld loading bug when starting multiple new games in one session.
Increased the floor of enemy player aggressiveness factors.
Release 0.1.2
Going forward the demo has new settings, buildings and items disabled automatically.
New throwing axe weapon.
Blocking implemented.
More settler varieties and smoother animation system that removes some combat jank.
Clan and Tile names customisable.
Enemy Jarls now dwell in their kingdom's capital.
Attacking one NPC in conquer mode will trigger both sides to attack.
Lots more bug fixes
Demo 1.4.6 / Release 0.1.1
Added Longhouse and Dwelling buildings
Decorations now on a smaller grid and can be placed on other decorations again.
Settlement buildings now only buildable on ground surfaces.
Improved building placement system for less flickering and more accuracy.
No longer able to place buildings on yourself or NPCs.
Added a Return To Main Menu button in the Pause Menu so you can leave a tile even in combat (without saving).
Spawn points now take into account if the Settlement is reachable or not.
Demo 1.4.5 / Release 0.1.0
Production buildings now show the total amount of worked and tapped resources.
Tents now show the effects of Comfort.
Central text column in building control panel now always shows up.
No longer able to open Settlement control panel as it's now unnecessary.
Disabled New Game settings and continue save within the Demo.
A wagon now spawns with the raiding army.
Can now change settler weapons when in conquer phase.
Updated wagon UI and fixed right click bug.
Next phase button now glows when nothing else remaining.
Demo 1.4.4
Updated overworld objective UI to make current tasks clearer.
Added confirmation dialogue when trying to go to the next phase with tasks remaining.
Fixed armies being able to move out of bounds.
Fixed the map table allowing you to leave combat before destroying the enemy settlement.
Fixed two settler events occurring instead of the intended one.
Fixed settlers taking too long to appear when claiming more than 1 tile.
Limited amount of players that can have armies on a single tile to two (this means no more piling on by multiple enemies).
Enemies no longer always spread south first.
Combat unit count colours now reflect player colours.
Tents and Wagons now have a player colour tint.
First settlement is now free to build.
Tile titles now renders behind other UI.
Demo 1.4.3
Added victory and defeat conditions.
Positive events now only occur once at the beginning of each owned tile per turn followed by only negative events.
Adjusted boar, wolf and alpha boar health.
Added the grid system back to buildings.
Can attack underwater again at a slower rate.
Allowed sprinting while climbing with a faster stamina drain.
Standing close and looking at a wall no longer counts as climbing.
Spawn points should now only include completely flat terrain.
Increased foliage variation and contrast between Summer and Winter.