You can call this a hotfix for patch 3.7 however there are more, such as: changes for maps, tweaks to gameplay, modes and more. Not counting this as a major update as the changes and additions are relatively small in importance. 3.8 will be focused on fixing the last of the current game modes and pave the way for additions leading to world building!
Notes:
General Gameplay
Added Water to Taiyo map
More drones and fireballs spawn, multiplied by number of users
Sprinting while falling no longer possible
Fixed more invisible trigger zones affecting movement
Fireballs no longer die when hack point is moved, they now relocate to the new target
Added a prejump. If jump is pressed 1-2 frames before landing, the character auto jumps
Increased the limitation of aiming down, you can aim up to your feet now
Fixed drone sounds being heard from hundreds of meters away
Lava mode
Tweaked fireball orbit
Fireball facing direction
Fireball exhaust effects emitting at two directions
Particle effects added to lava hack point platform
Invader mode
Fixed debris collisions in Data mode
Moved debris positions to better cover the map
UI
Character UI fades smoother now
Reduced visibility of Watchers
Stats bar transparency - increased visibility
Lava marker UI proximity detection added
Fixed facing direction of some map objective UI
Tweaked discord status updates