To switch to the test branch, right click Old World in Steam and select Properties, open the Game Versions & Betas tab and select 'test' in the version list.
2nd tier tech costs increased to 160 (from 150)
Moved Free Horseman tech bonus card to Coinage (from Land Consolidation)
Improvement wood cost reductions - Harbor: 40 (was 60), Market: 60 (was 80), Grocer: 80 (was 100), Fair 100 (was 120)
Winning at a difficulty gives the achievements for that level and lower. Hardcore now gives all difficulty achievements
Rebels no longer attack your teammates, unless there is nothing better for them to do
Barbarian units of settlements that have been converted to named tribes are converted to raiders, if possible
Critical hit chance is now rolled only at the beginning of the turn or after an attack
Removed citizen loss from base-game Plague (Wrath of Gods)
Lumbermills on Ebony give as much Wood as they do on trees (Empires of the Indus)
Organized tribes (The Huns) are placed farther away from human starts and their settlements are mirrored in mirror maps (Empires of the Indus)
Charge (Yuezhi Unique Unit ability) is now only blocked by Improvements or Vegetation, not terrain type (Empires of the Indus)
Tamilakam Supremacy change now gives XP to the new leader and makes them Royal (Empires of the Indus)
The number of Rebels for avoiding a change in Supremacy now depends on culture level of family seat (Empires of the Indus)
Significant improvements to late game worker recommendation lag
AI performance optimizations
Increased range that AI can anchor ships to bridge lands from 10 to 20 tiles
Improved send luxury tooltip
Hide Orders cost on "Add Urban" button
Selected tab is now un-highlighted when map search is open
Tribe opinion rate shown even when leader opinion modifiers sum to 0
Yield totals always shown in the stats screen, even when there is only one player shown on the graphs
Fixed city widgets getting occluded by clouds and world geometry
Fixed units only partially occluding city widgets when selected
Fixed scrollbar getting hidden on popups
Fixed road objects not being removed correctly
Fixed overlays not toggling off with a worker selected
Fixed helptext for tribal peace in no characters mode
Fixed AI not using engineer generals to build roads as often as expected
Fixed map script dropdown data issues
Fixed some Spanish text issues
Fixed tech tree state not persisting
Fixed network hang
Fixed some UI glitches in observer mode
Fixed city assets not drawing in revealed observer territory
Fixed Alliance victory not getting recorded in some cases
Fixes text getting cut off in bug report popup
Fixed helptext for aeRelationshipNone subjects
Fixed Rise of Carthage scenario 3 goal failing to trigger when Syracuse eliminated quickly
Fixed Heroes of the Aegean scenario 1 loss achievement not triggering
Fixed family tree screen for Tamilakam following Supremacy leader changes
Fix mod overwriting from subbed Modio mods. Better logic for version mismatch ! display on Manage tab
Fixed mod uploads with line endings on Mac