Update v1.5.1:

NEW CONTENT
Added Drift Series & Drift game mode
Added F-Ultimate 2018 series
Added Super F-Dirt series
Added Buskerud Ice, Mendig Drift, Foz Tarmac track layouts

GENERAL
Fixed a CTD at track load if no sound card was found
Increased and added ability to customize number of entries shown on Standings TV Display via customingamelayout.INI
Added repair existing damage to escape to pits rules (Semi Realistic and up)
Added restoring of Tow to Garage value when rejoining an online game
Adjusted Driver Labels to only show a users RaceRank score online if they have a score (higher than 0)
Fixed an issue where font shadows bleed through when text is fading out (Driver Labels)
Added UI option to completely disable XInput detection
Reduced size of final cut track warning message as it overran the TV Overlay background.
Fixed an issue where a users PB lap times were registered as the fastest overall lap in a race online
Fixed wheel rotation not being locked on external / non cockpit cameras (when driver is visible)
Minor optimizations to audio code
Kick both users if two join with the same steam id on a RaceRank server
Added a reason digit when users are kicked from a RaceRank server

AI
Comprehensive Revision of AI Code resulting in better racing abilities throughout
Fixed Turbo Data not getting reset for AI when loading a new vehicle (could lead to AIs running out of fuel)
AI are now also restricted by limited tire sets setting (along with some basic strategical decisions)
Adjusted AI brake usage
Updated AI Aggression scalars for all cars to a more consistent baseline
Fixed an issue with AI lifting off when passing at the start finish line
Added HDV Param AIPassLatScalar - This is how much extra space a car leaves to pass when overtaking when they have 0% aggression (default is 2 meters plus a base 0.5m)
Added HDV Param AIForcePassCarLength - This is the distance in car lengths behind the car ahead that the AI will greatly increase their likelyhood to attempt a pass. Default is 0.6, higher, 1.0 or so recommended for slower cars

CONTENT FIXES & UPDATES
Interlagos: Updated 2017 version to include latest Cafe chicane layout, curb design & other cosmetic updates
Hockenheim: Removed dust from road on the left entering stadium section in historic layouts
Ibarra: Slightly improved AI performance in both layouts
Fixed various Z-fighting & other graphical glitches at Montreal, Adelaide, Brasilia, Buenos Aires, Brands Hatch, Cadwell, Imola, Guapore, Curitiba, Caruaru, Campo Grande, Cordoba, Goiania, Jacarepagua, Johannesburg, Kansai, Santa Cruz, Taruma, Velocittá
Bumped up default night brightness for slightly better night time visibility
Set default fuel load for all cars to half tank capacity
Updated AJR, F-Vintage, F-Dirt realfeel FFB values
Adjusted aero effects on wake for F-V12, F-V10, F-Reiza, F-Extreme
Caterham: Reduced team names
SuperV8: Talent files typo fixes
TC Classics: Adjusted clutch torque to avoid slipping on some cars; Fixed engines with wrong sound emission positions; AI tweaks; Fixed typo on Fusca 04 team
Montana: Small tire model adjustment
FTruck: Adjusted fuel estimation & adjustable boost innacurately allowed in FC Truck
F-V10: full team names to avoid mixing up in all cars / tracks; Increased downshift protection to avoid engine blow-ups
AJR: Bumped up Judd V10 engine blowup thrasholds to fix excessive failures
MCR200: Moved default brake bias slightly forward

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Update v1.5.0:

NEW CONTENT
Added Buskerud Kart track (2 layouts)
Added Mendig Langschliefe layout

GENERAL
Added support for Ranked Servers: Lobby shows Ranked Servers average entrants ranking. Added player's server rank in monitor view (Only Reiza Official Servers will be ranked at this stage)
Added "TIRE SETS" option to limit number of available tire sets over the race weekend (range 1-10 or unlimited as before)
Added "RETURN TO PITS" option to RULES settings (options are Instant, Car must be stopped and Car towed to garage with semi realistic or realistic timings)
Fixed various issues with Steam Achievements
Disabled Pause While Zero Players server setting, as it is required for servers to announce on Steam
Added Game tag to results file with property "Automobilista"
Added Steam ID and Race Rank to player entries in Results files
Added Game Version and Profile in use to title bar on Dedicated Server
Increased frequency to smooth player´s steering wheel animation during replays (should no longer look jerky)
Fixed Spotter announcing last lap one lap too early if you were a leader in a timed race
Fixed Steam info not being parsed correctly when dedi is hosting without steam client logged in

USER INTERFACE
Redesigned Monitor UI screen
Added Escape Menu Confirmation option to Display settings
Fixed multi join screen sometimes showing wrong track map
Added RaceRank leaderboard to Profile page
Auto select users time on TT Leaderboards
Refactored internet connection type settings
Garage UI now shows fuel by decimal point when step is less than 1.0
Optimized UI files, removing unused files and entries

AI
Tweaked AI suspension rates to smooth ride over curbs a bit
New AI code which uses actual car width to calculate road width

AUDIO
Enhanced surface sounds positioning
Fixed various little sound replay bugs
Lowered spotter default volume to 75%
Replay surface sounds are now positioned (both pre 1.49 and new replays)
Remote vehicles now also have tire sounds (although highly approximated)
Tweaked dirt residue sound calculation (should hear it more often)
Audio now is smoothly faded in / out when pausing / resuming game
Added additional audio output configurations: Surround Headphones 5.1, Surround Headphones 7.1, Surround Speakers 7.1
Added "Trackside Camera Audio Directionality" into PLR file for stereo configurations (with it non-zero, sounds in the back will be less loud then ones in front of camera)
Fixed RPM limiter sound not being played
Added new crowd samples (club, national in addtion to old grandprix type)

CONTENT FIXES & UPDATES
New TV helicopter camera sample
Removed helicopter sound from ambient audio sample
Added audio environment settings to all circuits
Updated TV cameras for F-Ultimate, F-Extreme, F-Reiza
Updated Headlight textures in various cars
Fixed rear view mirror resolution inconsistencies
Granja: Revised AI paths in all layouts
Boxer: Increased brake torque & adjusted front tire load sensitivity; Updated series skin set
F-Trainer: Updated series skin set
Karts: Adjusted fuel scale to allow 0.1L increments (needs Garage UI code tweak); Further adjusted AI, adjusted front tire load sensitivity; Removed redundant / innacurate feeler values; Reduced tire wear for all compounds; tweaked AI to reduce issues with rolling over curbs; Added more suitable standard tireamanagement / startskill multipliers
AJR: Adjusted AJR RealFeel setting to reduce default FFB clipping; Fixed loop on high rpm in Honda Turbo
F3: Fixed double arms in F309; Updated external sounds & fixed missing onboard pit limiter sound
Caterham: Fixed double arms in various models
F-Reiza: Updated LCD display
Ultima: Fixed unbalance front brake torque in road versions
TC: Classics: Corrected some pitch errors in external sounds