TL;DR:

• New Dev insights on Frontiers next week
• Rewards Updates coming in Episode 2:
  • Nightfall focusing costs less engrams
  • World Drops will be farmable from Lost Sectors
• Power Caps increasing by 10 each episode
• Lots of Titan updates:
  • Titans will be able to taunt enemies with barricades, unbreakable, and sentinel shield. Functionality might be coming to Ward of Dawn.
  • Changes to barricade and unbreakable for balancing this new functionality.
  • Several changes to abilities across the Titan kit to make prismatic more interesting but also apply to the base subclasses.
• Buffs to supers across all classes. Hunter, Warlock, and Titan. Roaming supers to get a duration buff later in Episode 2.
• Some smaller changes to Warlock and Hunter abilities.
• NERF Ace of Spades will be available for pre-order purchase for those who complete the Legend title by 9/24. Bungie also credits the original artist.