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Version: 1.3.2
  Bugfixes:
    - added checks for existing entities when clicking an alert, possibly preventing a crash
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Version: 1.3.1
  Changes:
    - alerts are only shown in list when "Show alert" in speaker settings is enabled (credits go to jkugelman)
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Version: 1.3.0
  Changes:
    - setting for update interval is now exposed in startup settings UI
    - does now use on_nth_tick 
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Version: 1.2.1
  Bugfixes:
    - fixed crash on deconstruction of speakers in certain circumstances
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Version: 1.2.0
  Changes:
    - setting for rows in compact mode is now exposed in settings UI
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Version: 1.1.0
  Changes:
    - works now with Factorio 1.1
  Bugfixes:
    - fixed crash when a mod updates a setting
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Version: 1.0.1
  Bugfixes:
    - now works with Factorio 1.0
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Version: 1.0.0
  Info:
    - forked from original repo