KT Racing has released the first hotfix for Test Drive Unlimited Solar Crown Season 5, addressing key stability and performance issues across all platforms. The update, deployed on November 12, 2025, includes multiple crash fixes, HDR and GPU optimizations, and improved reward tracking for Solar Pass and live events. Maintenance began at 9:30 a.m. CET and is expected to continue until 6:00 p.m. CET, during which server stability improvements are also being implemented.
The hotfix also resolves a range of issues affecting the game’s Poker mode, addressing crashes, synchronization bugs, and display inconsistencies. PC players receive additional attention, with new FidelityFX FSR3 and DLSS functionality, updated VRAM calculations, and improved AMD GPU stability. KT Racing has noted that remaining bugs, including rare illumination issues and PS5 crashes, will be tackled in future updates, with Update 1 and Update 2 planned for broader optimization efforts.
Full Patch Notes
General Fixes & Improvements
- Fixed HDR settings not functioning correctly.
- Added optimizations to reduce GPU hang issues.
- Re-enabled claiming the Solar Pass using tokens.
- Ensured the Lamborghini Urus is properly added to inventories after claiming the Solar Pass.
- Fixed live event rewards (Solar Coin Bonus) not being added to inventory.
- Updated end-of-season date displayed in the Solar Hotel.
- Fixed a crash when starting the game on Ibiza between 12 a.m. and 12:30 a.m. in certain time zones.
- Fixed timing issues when returning to freeride after Taxi mode.
- Fixed crash when a remote player opened their vehicle window.
- Fixed a crash occurring during loading screens after traveling to the Solar Hotel and relaunching the game.
Poker
- Fixed crash when joining a poker room during a reveal action.
- Fixed action buttons appearing while viewing cards.
- Fixed action timer freeze when stopping card view.
- Fixed crashes upon entering or leaving poker rooms under specific conditions.
- Fixed dealer button not rotating correctly between players.
- Fixed reveal camera not switching when players fold.
- Fixed timer synchronization between client and server.
- Fixed incorrect token counts when leaving poker tables and rebuying.
- Fixed poker chip balance display after exiting tables.
- Enhanced player experience during poker sessions.
- Addressed multiple crashes during poker gameplay.
PC
- Added VRAM usage table for FidelityFX (FSR3).
- Added interpolated VRAM calculation for custom FSR3 modes.
- Added support for FSR3 in settings.
- Fixed DLSS option not activating properly.
- Moved dynamic probe setting from “High” to “Ultra” under the SSR option.
- Fixed crash affecting AMD 9000 series graphics cards.
Network
- Improved online stability and overall network performance.
Other Details
- Upcoming November Solar Club Letter will share Update 1’s release date and additional fixes.
- Known issues include:
- Occasional illumination issues causing green or red tint (temporary fix via Photomode toggle).
- Poker table freeze when a player leaves during the card dealing phase.
- XeSS upscaling option causing crashes on PC.
- Upscaling values resetting to 50 at game launch.
Test Drive Unlimited Solar Crown is an open-world MMO racing and lifestyle game by KT Racing, set in a detailed 1:1 recreation of Hong Kong Island. The game immerses players in high-speed competition, luxury car culture, and the rivalry between the Streets and the Sharps clans as they vie for dominance in the Solar Crown tournament. It launched on September 12, 2024, for PC (Steam), PlayStation 5, and Xbox Series X|S.
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