filterwpcom_instagram_widget_max_columns Allow changing the maximum number of columns available for the Instagram widget.
filterjetpack_widget_authors_params Filter the parameters of `get_users` call in the Widget Authors widget. See the following for `get_users` default arguments: https://codex.wordpress.org/Function_Reference/get_users
filterjetpack_twitter_timeline_default_dnt Allow the activation of Do Not Track for the Twitter Timeline Widget.
filterjetpack_force_enable_gallery_widget Allow the Gallery Widget to be enabled even when Core supports the Media Gallery Widget
filterjetpack_google_translate_widget_layout Filter the layout of the Google Translate Widget. 3 different integers are accepted. 0 for the vertical layout. 1 for the horizontal layout. 2 for the dropdown only.