They announced the D2 pre launch schedule in early July here: http://www.ign.com/articles/2017/07/03/destiny-2-all-the-newest-details-in-one-place--ign-first
July 18th - Destiny 2 beta Live!
July 18th - Peripherals
July 19th - A closer look at combatants
July 21st - Localization
July 24th - A destination explored
July 25th - PVP reveal
July 26th - Creating an exotic
July 28th - Ask Bungie anything!
They didn't make this because they thought the beta failed. They had a plan to release this info.
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Unknown Player posted a video before the beta wondering why the Cold Heart was included in a bundle. He confirmed it was always a preorder bonus as soon as it was announced. Move on, conspiracy cornballs. Nothing more to see here. OP, maybe edit these details into your post so people can stop looking foolish.