The Tab History feature was implemented in https://drupal.org/project/quicktabs/issues/3035749. An option should exist for this feature to be enabled/disabled. When using the Ajax option to load only one tab on page load for performance reasons, it does not make much sense to then immediately load another tab, given the default and the last tab clicked are different tabs, but some people may want that ability. Furthermore, some people may not want this feature at all, and always load the default tab. So, I do not suggest associating the option with the Ajax option.
Create a new boolean option to enable the Tabs History feature. This option would be enabled by default to keep the existing functionality. Help text should describe the purpose of the both enabling and disabling the option.
The entity options form will have a new radio button field, and help text describing the options.
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