1.9.3
- Added support for McLaren 720S GT3 Evo.

1.9.0
- Added support for GTWCH 2023 DLC content.

1.8.18
- Updated formation trigger points for Watkins Glen and Zandvoort.

1.8.17
- Added option to access servers with "registerToLobby": 0".
- Updated server admin handbook.
- Fixed a server vulnerability reported by Leonard Schüngel.

1.8.16
- Protocol update to follow client update.

1.8.15
- Support for DLC track content.
- Updated server admin handbook.

1.8.12
- Support for DLC car content.
- Updated server admin handbook.

1.8.11
- Disqualification for reckless driving (extreme amounts of cutting, pitlane speeding and driving in wrong way) is no longer reduced with "allowAutoDQ" set to 0.
- Disqualification for failure to serve penalties within 3 laps is no longer prevented with "allowAutoDQ" set to 0.
NOTE: only race format and regulation-related DQ penalties (e.g. failure to serve mandatory pit stop) may be reduced with the server override.
- Assist rules with no manual override available (e.g. automatic lights) are no longer enforced by the server.

1.8.5
- Introduced a "publicIP" setting (configuration.json).
- Updated server admin handbook.

1.8.2
- Updated server admin handbook.

1.8.0
- Protol update to follow client update.
- Track season versions (_2019, _2020) deprecated, all config should use regular track name only (e.g. "misano").
- Adjusted formation lap trigger points on a number of tracks.
- Weather model aligned with client update.
- Updated server admin handbook.

1.7.12
- Protocol update to follow client update.

1.7.6
- Adjusted formation lap trigger points for Donington and Oulton Park.
- Broadcaster: added missing nationality enums.

1.7.4
- Adjusted formation lap trigger points for Kyalami.
- Added setting ignorePrematureDisconnects (ignore unless you try to run servers on not supported operating systems, see handbook).
- Locked races are now properly visible in the server list.

1.7.1
- Removed spammy log line.

1.7.0
- Added support for British GT track content.
- Expanded grid size on Silverstone and Paul Ricard (see Server Handbook).
- Formation lap - added threshold zone in the double file formation phase in the widget formation type to avoid undeserved penalties for cars in the inside lane on tracks with tight final corners.
- Minor tweaks for the weather model to match the latest ACC client version.

1.6.1
- Fixed server track rotation onto unavailable tracks.

1.6.0
- Protocol update to match ACC client 1.6 release.

1.5.9
- Minor tweaks for the weather model to match the latest ACC client version.

1.5.8
- ACC Server is now separated from the main Assetto Corsa Competizione Steam product and is available under the Steam Tools section. 
- Fixed a specific corner case where a results dump would not be generated in qualifying/hotlap servers if the last player to leave the server prematurely (i.e. before the session time is up) has no laptime data on his leaderboard.
- Fixed an issue with dynamic wind in Multiplayer.
- Unified and improved Singleplayer and Multiplayer weather model:
Improved weather predictability and control especially for server admins.
Removed the tendendcy to snap into Thunderstorm when using more dynamic parameters.
"Rain" parameter is now the major component responsible for maximum rain intensity to be expected.
- Updated server admin handbook v9.