Update V0.5 published
-Added replacement for Cup car:
-Completely new model & physics
-New liveries by @Kinichie
-All new audio
-Added new track selection screen
-Ability to favorite database tracks
-Ability to search by author
-Added new driving line visuals
-Added anti-stall clutch to assist starting from standstill
-Added support for car selection in drive settings/setup menu
-Added distance audio filters for engine audio
-Added community names for AI
-Improved heightmap tools in the track builder
-Minor UI improvements for track builder
-Improved AI
-Tweaked lighting and post processing
-Tweaked slipstream for GG900
-Adjusted wet grip levels
-Adjusted headlights
-Game time of day is now set to lat 50.3323, lon 6.9405, on 26.7.2022
-Improved rain and wind visuals
-Fixed kerb colliders
-Fixed cars spawning poorly on uneven surfaces
-Fixed prop curve node duplication issue
-Fixed damage indicators staying on after reset
-Fixed spectate player selection not working properly after reset in AI races
-Fixed paint not getting dirty fast enough
-Fixed player assignment to pit boxes
-Fixed jagged terrain on road edges
-Disabled inputs when typing in chat
-Fixed poor performance when using many single guardrail props in multiplayer
-Fixed radiators not being repaired in pits
-Fixed engine not getting repaired at pits
-Fixed heightmap shading when using heightmap tool
-Fixed lights occasionally not working
-Fixed time of day not always syncing in multiplayer
-Fixed depth of field slider not working in photo mode
-Fixed photo mode adjustments initially displaying incorrect values
-Reduced volume of other cars' engine audio
-Fixed loud wind audio when driving with AI

This update has some good improvements and fixes but nowhere near as many as I would've liked. The improvements & bug fixes will continue on the next update.