Via the Rocket League blog:

NEW CONTENT

ARENAS

• “Champions Field” is now available in all Playlists, and in Private Matches
• “Starbase ARC” has been updated with new visuals and reduced brightness
• Boost pads are now standardized in all standard Arenas

CRATES

• “Overdrive” Crate has been added
• When received, the Overdrive Crate will display as “Crate - Overdrive” in your inventory
• “Champions” Crate Series has been retired

TRAILS

• Trails are now available in the Car Customization menu
• Trails appear behind the Wheels when your Battle-Car goes SuperSonic
• Every player has the “Classic” Trail by default
• More Trails are available in the Overdrive Crate

GOAL EXPLOSIONS

• Goal Explosions are now available in the Car Customization menu
• Every player has the “Classic” Goal Explosion by default
• New Goal Explosions are available as Common drops after all online and offline matches:
  • “Standard Green”
  • “Standard Orange”
  • “Standard Pink”
  • “Standard Purple”
• More Goal Explosions are available in the Overdrive Crate

ENGINE AUDIO

• Engine Audio is now available in the Car Customization menu
• You have access to Engine Audio for every Battle-Car you own
• The Engine Audio can changed on any Battle-Car in your GA
• Licensed Battle-Cars are excluded
• Engine Audio for all existing Battle-Cars has been updated
• Legacy Engine Audio is still available as an Engine Audio customization option

COMMUNITY FLAGS

• “Gfinity” (Updated)
• “X Games”
• “Monstercat”

ANTENNAS

• “J!NX”

DECALS

• “Monstercat”

RICK AND MORTY

• Rick and Morty items are now available as drops after matches
• “Interdimensional GB” Boost
• “Sanchez DC-137” Wheel
• “Rick” Antenna
• “Morty” Antenna
• “Cromulon” Topper
• “Mr. PBH” Topper
• “Mr. Meeseeks” Topper

RLCS SEASON THREE WORLD CHAMPIONSHIP ATTENDEE ITEM

• Players who attended the RLCS Season Three World Championship in June can now redeem their in-game item
• Item: “Decennium Pro” Wheels
  • To redeem, go to the “Extras” menu, select “Redeem Code,” and enter your unique code
  • These wheels are not tradeable

BRISK

• Players with a valid code can redeem their Brisk in-game items
• Item: “GA-819 HB” Wheels
• Item: “SWT-T” Decal
  • To redeem, go to the “Extras” menu, select “Redeem Code,” and enter your unique code
  • These items are tradeable

ACHIEVEMENTS AND TROPHIES

• Storm Trooper
• Equip a Very Rare Item and complete a game in an Arena with turbulent weather
• Good Times
• Head to Champions Field and complete an Online game
• Swap Meet
• Trade and receive one or more items with another player in a single transaction
• Trade Secret
• Trade In five items of the same quality to receive an item of the next-highest quality
• Rank Up
• Complete all placement matches in any Competitive Playlist
  • Note: If you are already placed in one or more Competitive Playlists, this achievement should unlock automatically
• Coming On Strong
• Score or Assist a combined 30 goals or assists in Casual or Competitive Online matches

CHANGES AND UPDATES

GENERAL

• Players now have 50 Car Preset slots, up from ten
• A “Change Preset” button has been added to the end of game lobby. You can now change to another Battle-Car preset without exiting a match
• “Dodge Deadzone” added to Controls Options.
• This setting allows you to control how far you must tilt the controller stick to activate a directional dodge move in the air instead of double jumping.
• The default value of 0.5 means you must move the stick at least half of the way towards your intended direction to dodge instead of double jump.
• The maximum value of 1.0 means you must move the stick all the way in a direction to trigger a dodge.
• Rocket Trails have been renamed Rocket Boosts
• Pressing Start when selecting Online Playlists now starts the matchmaking search
• The Boost Meter and Rumble Powerup are now displayed when watching a player in Spectator Mode
• The Boost Meter and Rumble Powerup now display during Replays
• A pop-up window will appear when exiting a match when you have indicated you wanted a replay, but did not save a replay
• A “Maintenance Mode” message has been added to the matchmaking ticker. You will see this only when PsyNet is undergoing maintenance
• “High Contrast Nameplates” now default to ON. This can be reverted in the Options Menu

COMPETITIVE SEASON 4

• Competitive Season 4 has ended. Titles and items will be awarded for your highest rank achieved during the season. Season 4 Rewards are custom, non-tradeable Trails
• “Season 4 - Bronze” Trail
• “Season 4 - Silver” Trail
• “Season 4 - Gold” Trail
• “Season 4 - Platinum” Trail
• “Season 4 - Diamond” Trail
• “Season 4 - Champion” Trail
• “Season 4 Grand Champion” Title
  • Season 4 Grand Champions will also receive the “Season 4 - Champion” Trail

COMPETITIVE SEASON 5

• Competitive Season 5 has begun
• New for Season 5 is the “Season Reward Level,” a new type of Skill Tier progression
• Your skill ratings are carried over directly from Season 4 into Season 5
• You do not have to play placement games this season
• Players will compete against opponents of the same skill ranking to earn wins that count towards your Season 5 Reward Level
• Each level requires 12 wins against players of the same Skill Tier or higher
  • Ex: A Bronze player must win 12 games against Bronze Skill Tier players or higher in order to unlock Bronze-level Season Rewards
• Losses do not affect your win count progression

CAR STANDARDIZATION CHANGES

• Implemented a new type of car standardization that minimizes differences in handling and hitbox between cars of the same “type”. For this initial release, this affects the following cars:
• “Octane” Type: Octane, Octane ZSR, Takumi, Takumi RX-T
• “Dominus” Type: Dominus, Dominus GT, Hotshot
• “Plank” Type: Batmobile, Mantis, Paladin, Twin Mill, Centio V17
• “Breakout” Type: Breakout, Breakout, Animus GP
  • Note: The Breakout hitbox has been widened slightly. This affects all cars using its standard type.
• “Hybrid” Type: Venom, X-Devil, Endo
  • Note: This is a new type that offers a middle ground between “Octane”-type and “Dominus”-type hitboxes.

USER INTERFACE

• The “Find Match” window has been updated
• Casual and Competitive Playlist categories are now separated by dedicated tabs
• The game will remember your last chosen category
• A new “Recommended” Server Region has replaced the “Select All” option
• Recommended servers are any servers with good ping
• Good ping is defined as 100 ms or below
• A new warning pop-up message has been added to the trading screen
• After you invite a player to trade, a new message will appear with several trade-related disclaimers
• Players have the option to disable the message upon first viewing

AUDIO

• Engine Audio for all Battle-Cars has been revised (see “Engine Audio” under “New Content” above)
• The Music Playlist UI has been updated
• Rocket League Radio: Players can now select specific soundtrack playlists, or choose all playlists
• The “Rocket League x Monstercat” playlist has been added with 18 new songs

BUG FIXES

GENERAL

• Updated Car Bumping and Demolition
• Fixed a bug with Car Bumps and Demolishes that could cause them to be ignored at wider collision angles
• Fixed an issue where Supersonic FX would stay active despite the car falling below the minimum speed to Demolish opponents
• Fixed an issue with ball bounces off of the junctions between curved and flat wall segments. These bounces should now be more consistent than before
• Changed car suspension code to reduce the likelihood of getting stuck when driving up curved surfaces
• Centers, Saves, and other related stats now work correctly when the “No Goal Reset” Mutator is active
• Ball should no longer get “stuck” in Free Play Training
• Party members that go directly to Free Play Training from the post match screen will no longer prevent Party leaders from matchmaking
• Players will no longer receive a matchmaking ban if they leave a Competitive match during the final goal replay
• Fixed a bug with the “Hexed” and “Snakeskin” decals that changed their look in the v1.34 update.
• Wheel effects no longer flicker when browsing or equipping other items in the Garage
• Loading screen now correctly displays all information when joining a Rumble or Dropshot match
• [Steam] Additional player names in Splitscreen Mode are now correctly displayed in the Party Bar
• Duplicate item sound no longer plays when scrolling through items in the Garage
• Nitro Crate localization has been updated for Portuguese and Turkish languages
• Ball Cannon properly disappears between shots in Custom Training levels
• [PS4] Cars with three painted items or more equipped will correctly appears in other Party Member’s lobbies
• Adjusted the “Crazy Sandwich” Decal on the Ice Charger
• An idle warning now appears when viewing the midgame menu
• Appearance of the ball indicator and direction indicator on Aquadome have been adjusted