Changelog

Version: 2.1.1
Date: 2026-08-11
  Changes:
    - Show the exact range, power, and distant scan-speed effects on radar technologies.
    - Index tracked entities by unit number and group surveillance by force and surface.
    - Limit mobile surveillance refreshes to once per second for each force and surface,
      regardless of how many surveillance centers are scanning.
    - Filter build, removal, clone, teleport, and sector-scan events before Lua dispatch.
    - Hide migration-only helper prototypes from normal lists and Factoriopedia.
  Bugfixes:
    - Downgrade upgraded radars and remove pole cameras when research is reversed.
    - Track already-upgraded radars placed directly from blueprints.
    - Keep surveillance work isolated between forces and surfaces.
    - Chart every carriage of a stopped train, including fluid and artillery wagons.
    - Remove the idle every-tick scheduler and deferred center-removal work.

Version: 2.1.0
Date: 2026-08-07
  Info:
    - Continued the mod for Factorio 2.1 under the big-brother-continued identifier.
    - Existing factories can switch from big-brother by disabling it and enabling this mod.
  Changes:
    - Rebuild runtime tracking for existing upgraded radars, surveillance centers, vehicles,
      trains, and big electric poles when the mod configuration changes.
    - Preserve radar health and quality during research upgrades.
    - Make upgraded radars directly blueprintable and placeable using the normal radar item.
    - Support entities created or destroyed through script-raised events.
    - Restore the French locale to the correct directory and repair German UTF-8 text.
  Bugfixes:
    - Prevent scheduled tasks from storing Lua functions in save data.
    - Remove the obsolete write to the read-only LuaEntity.minable property.
    - Ignore invalid entity handles encountered while migrating older saves.
    - Remove legacy invisible blueprint proxy radars during migration.

Version: 2.0.0
Date: 2024-10-29
  Info:
    - Factorio 2.0 support

Version: 0.5.4
Date: 2020-12-10
  Info:
    - Factorio 1.1 support

Version: 0.5.3
Date: 2020-09-03
  Info:
    - Factorio 1.0 support

Version: 0.5.2
Date: 2020-01-26
  Info:
    - Factorio 0.18 support

Version: 0.5.1
Date: 2019-07-30
  Info:
    - Fixed error message in Factorio 0.17.57+ (thanks umbrios)
  Changes:
    - Added French locale
    - Added German locale

Version: 0.5.0
Date: 2019-03-03
  Info:
    - Factorio 0.17 support (thanks pw_sys!)

Version: 0.4.6
Date: 2018-01-03
  Bugfixes:
    - Blueprints fully support upgraded radars
    - Deconstruction planner fully supports removing upgraded radars (thanks Rseding91!)

Version: 0.4.5
Date: 2017-12-31
  Bugfixes:
    - Removed debug code left in the mod when I updated it for Factorio 0.16
    - Blueprints created with upgraded radars in them work properly, except for being invisible in the preview window.

Version: 0.4.4
Date: 2017-12-31
  Changes:
    - Factorio 0.16 support
    - Some tiny performance improvements when placing / removing stuff

Version: 0.4.3
Date: 2017-05-14
  Bugfixes:
    - Fixed multiplayer desync issues

Version: 0.4.2
Date: 2017-04-29
  Changes:
    - Rebalance technology prerequisites for radar amplification

Version: 0.4.1
Date: 2017-04-29
  Bugfixes:
    - Fixed issue where radars could indicate no-power even though they were powered properly

Version: 0.4.0
Date: 2017-04-27
  Bugfixes:
    - Partial blueprint support for upgraded radars
  Changes:
    - Factorio 0.15 support

Version: 0.3.3
Date: 2016-09-07
  Changes:
    - Factorio 0.14 support

Version: 0.3.2
Date: 2016-07-23
  Bugfixes:
    - Fixed performance bug causing lag when placing tons of rars at once

Version: 0.3.1
Date: 2016-07-23
  Bugfixes:
    - Researching multiple radar techs at once (with debug commands) won't cause extreme lag
  Changes:
    - Performance Optimizations

Version: 0.3.0 - First public release
Date: 2016-06-28
  Major Features:
    - Initial release