Quick summary for anyone who can't watch the video, with descriptions taken from the accompanying news post on the Steam store page:

• releases April 11th
• new armors and matching capes
  • CE-07 Demolition Specialist (light)
  • CE-27 Ground Breaker (medium)
  • FS-55 Devastator (heavy)
  • no info on what bonus each set has
• new primary weapons
  • BR-14 Adjudicator (marksman rifle) - "Deliver righteous judgement to your enemies with accuracy. This armour-penetrating assault rifle is best used against smaller groups."
  • CB-9 Exploding Crossbow - "Kaboom! Enjoy powerful exploding bolts that dish out max damage upon direct impact. Gravity must be accounted for when aiming."
  • R-36 Eruptor (explosive) - "Keep your distance… this bolt-action rifle fires jet-assisted shells that explode shrapnel in all di-rections upon impact. All directions. Even your face."
• new grenade and secondary weapon
  • G-123 Thermite grenade - "This little beauty can stick to surfaces before burning up to a toasty 2000°C."
  • GP-31 Grenade Pistol - "Does what it says on the label – a pistol that fires grenades. Don’t forget to reload between shots though."
• new booster
  • Expert Extraction Pilot Booster - "Need to get out of a jam fast? This booster lowers the time it takes for the extraction shuttle to reach the extraction beacon. Home in time for dinner."

Edit: added link to Steam store page news post and summarized info from the same