Release 25 Preview 1

Download: C3X_R25_Preview_1.zip
New in this version:

• Increase city limit to 2048
  • Setting named lift_city_limit, included in new "Limits Removed" section with other limit increases/removals
• Enable tile graphics to cycle over day and night, see "Day/Night Cycle" section of default config for details
• Allow Civilopedia descriptions for units, civilizations, and game concepts to span multiple pages
• Can adjust time to double building culture, setting named years_to_double_building_culture
• Option to prevent units from upgrading past an intermediate type that does not have the upgrade ability
  • Setting named prevent_old_units_from_upgrading_past_ability_block
• Can adjust times to generate tourism gold, setting named tourism_time_scale_percent
• Option to put all human players in contact with each other at the start of a hotseat game
  • Setting named introduce_all_human_players_at_start_of_hotseat_game
• Double size of minimap when running in high definition (>= 1920 horizontal pixels), setting named double_minimap_size
• Option to show some popup messages as online-multiplayer-style notifications
  • Setting named convert_some_popups_into_online_mp_messages, off by default, see config for which popups are affected
• Option to switch debug mode on or off for games in progress
  • Setting named enable_debug_mode_switch, off by default, see config for how to use in-game
• Fix AI players being able to sacrifice units that don't have the sacrifice special ability set on their type
• Option to tint coast and sea tiles on minimap based on cultural borders
  • Setting named show_territory_colors_on_water_tiles_in_minimap, off by default
• Do not charge maintenance for buildings provided for free by shared wonder effects
• Option to draw small shadows underneath city dots on the minimap to make them more visible
  • Setting named accentuate_cities_on_minimap, off by default because it doesn't quite work properly

Release 23 Preview 2

Download: C3X_R23_Preview_2.zip
New in this version:

• AMB editor improvements
  • Show overall duration of loaded file
  • When playing preview, don't complain that empty WAV file names are missing
  • Create a new temp folder for each preview played and dispose of sound core objects when previews are stopped
    • These changes should fix issues where previews can't be played due to conflicts with leftover files
• Prevent airdrops from violating the trespassing restriction
• Fix possible crash when unit performing stack bombard is destroyed
• Fix division by zero in AI logic to evaluate proposed alliances

Release 23 Preview 1

Download: C3X_R23_Preview_1.zip
New in this version:

• Include AMB editor
• Adjustable rebase range as multiple of operational range, setting named rebase_range_multiplier
• Option not to draw capital cities larger than they really are, named do_not_make_capital_cities_appear_larger
• Fix city screen zooming out for adjacent tiles that aren't actually workable due to maximum work radius

Release 21 Preview 2

Download: C3X_R21_Preview_2.zip
New in this version:

• Apply the stack limit separately to land, sea, and air units
• Option to exclude cities from the unit stack limit
• Do not apply all-units special retreat rule to immobile units
• Prevent airlifting from violating the stack limit
• Fix crash related to cross shore detection option
• Fix units retreating onto fully occupied tiles
• Fix unit stack limit blocking combat

Release 21 Preview 1

Download: C3X_R21_Preview_1.zip
New in this version:

• Allow perfume amounts to be specified as percentages
• Option to limit how many units can share each tile, named limit_units_per_tile
• Adjustable chance for max one HP units to be destroyed by nuclear strikes
  • Controlled by config option chance_for_nukes_to_destroy_max_one_hp_units
• Add limited_railroads_work_like_fast_roads option which does just that
• Option to allow sale of buildings like aqueducts that uncap population growth, named allow_sale_of_aqueducts_and_hospitals
• Option stopping non-sea detector units from revealing invisible sea units and vice-versa, named no_cross_shore_detection
• Fix charm flag controling PTW arty targeting not working for reloaded games
• Fix building unit prereqs interfering with unit limits

Release 20 Preview 2

Download: C3X_R20_Preview_2.zip
New in this version:

• Fix bug related to "Disables Diseases From Flood Plains" tech flag
  • Option named patch_disease_stopping_tech_flag_bug, off by default b/c this fix causes a lot more disease under the standard rules
• Display negative yields from generated resources
• Option to make planting forests produce LM forest terrain (named convert_to_landmark_after_planting_forest)
• Fix free unit glitch from switching production to a building through the unit limit reached popup
• Rebuild the trade network after loading save data for improvements beyond the limit
• Fix yields from resource generating buildings not always appearing after a new scenario is loaded

Release 20 Preview 1

Download: C3X_R20_Preview_1.zip
New in this version:

• Remove city improvement limit
  • Controlled by config option remove_city_improvement_limit
• Option to show unit hitpoints on the stealth attack target selection popup (named show_hp_of_stealth_attack_options in config)
• Option to have a warning when the building you've selected to build would replace another already built in the city
  • Named warn_when_chosen_building_would_replace_another in config, off by default
• Option to prevent stealth attacks from targeting units that are invisible and unrevealed (named exclude_invisible_units_from_stealth_attack)
• Stop barbarian spawns from bankrupting the barbarian player (matters only if barbs are allowed to capture cities)
• Option stopping pollution of impassable tiles also covers volcanic eruptions
• Make barbarians defend cities they've captured as if they were camps
• Load a third config file, custom.c3x_config.ini, if present
• Fix describe_states_of_units_on_menu setting being ignored
• Stop units from airdropping multiple times in one turn
  • This only matters when dont_end_units_turn_after_airdrop has been activated
• Do not group together units with different names on right-click menu
• Record which units have used extra defensive bombards in save files
• Touch up action descriptions for auto precision striking and fortified exhausted units
• Correct description of lethal zone of control setting in default config

Release 18 Preview 1

Download: C3X_R18_Preview_1.zip
New in this version:

• Unit limits
• Add icons to units on the right-click menu showing movement and status
• Gray out units on right-click menu if they have no remaining moves
• Apply GridOn setting from conquests.ini after loading a save

Release 17 Preview 3

Download: C3X_R17_Preview_3.zip

New in this version:

• Civ and leader names can vary by era
• Option to stop AI from escorting units without the "requires escort" flag
• Exclude units from lethal ZoC when they're entering a tile after capturing an enemy unit
• Fix incorrect icons appearing for generated resources
• Fix a rare edge case where stack bombard would continue attacking an empty tile
• Option to hide icons for generation of non-bonus resources
• Fix possible freeze when a trade deal is broken for a resource that's an input to a resource generating building
• Allow list items to be placed on separate lines for perfume_specs and buildings_generating_resources

Release 17 Preview 2

Download: C3X_R17_Preview_2.zip

New in this version:

• Enable resource generating buildings to add the resource's yields to their city
• Display icons for generated resources on top of the generating building
• Option to allow airdrops without airports
• Can increase unit maintenance costs based on their build costs
• Adjustable AI worker requirement
• Option to pack the list of luxuries more tightly into the box on the city screen
• Fix freezes caused by undisembarkable escorting unit
  • Covered by the disembark immobile bug fix option, which has been renamed
• Improve turn timer
  • No longer count time spent on city screen
  • Fix possible double-counting of time spent on popups