The predictive back behaviour is different for the sub-menu. - If a user does predictive back in the sub-menu, it takes them to the main menu. It does not close the menu component. - If a user does predictive back on the main menu, it closes the menu component.
Bug 1885583 Comment 2 Edit History
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The predictive back behaviour is different for the sub-menu. - If a user does predictive back in the sub-menu, it takes them to the main menu. It does not close the menu component. - If a user does predictive back on the main menu, it closes the menu component. Should that be a separate ticket?