Additions
- Tenno reinforcements: POLEARM AND BOOMERANG! Kestrel and Orthos.

The Orthos is a double bladed polearm, a first of its kind for the Tenno.
The Kestrel is a deadly Boomerang, a heavy throwing weapon that can knock down enemies at a distance.

- Toggle Sprint now an option in UI Settings
- Aim Assist for controllers is now a toggle option.
- Added Clan “Message of the Day” feature. People with Ruler or higher privileges in clans can add a MOTD by using this command “/motd” in their clan chat channel .
- Mantle Animations added, get ready to front flip like Frost in the latest trailer!
- Machete and Prova Prod now share a new animation set.
- Kunai sheaths can now be colour customized.

Changes
- Defense mission reward tables have been reviewed and changed. Reward tables are now split between factions. Fusion cores have now been added to the drop tables.
- Increase max length of Flux Rifle Beam.
- Added gibbing polish to enemies that are killed by doors.
- Added confirmation messages to UI when performing Clan Actions (promotions, etc).
- Various Sound improvements to weapons with this Hotfix!
- Tesla Coils on characters will now have fewer FX.


Fixes
- Fixed crates being in defense mission dead zone ( https://forums.warfr...ne-please-read/)
- Fixed bug where Arrows would float in game.
- Fixed issue where using Mags Crush on Moas would cause them to “die” twice.
- Fix for Ammo pack beacon remaining in game after ammo is picked up.
- Improvements to Galleon Wall Running in certain connectors .
- Fix for sprint preventing certain weapons functions (sprint and aim works, sprint and shoot cancels run).
- Fix client issue with Blade Storm: wasn’t properly creating teleport effects.
- Fixed various collision issues affecting AI enemies and players in the Orokin Void levels.
- Fixed arm fins on Excalibur and Excalibur Prime clipping through the arm when using iron sights.
- Fix for Grineer bombard rockets being collidable after explosion
- Fix for triggered pressure plates being host only in Orokin Void.
- Fix for lighting issues in certain levels.
- Fix for Capture Target being dissolved by acrid, becoming un-capturable.
- Fix for Nyx absorb being interrupted by Nauseous crawlers.
- Fix for Volt getting up from bleedout when speed ends.
- Fix for Kunai not operating as a silent weapon.
- Fixed kills not being counted by Rhino’s Charge and Stomp.
- Fixed player being held in air when pulled by Grineer Scorpion on different elevation

Taken from the official Warframe forums: https://forums.warframe.com/index.php?/topic/60679-hotfix-810/#entry633611