Unity Software announced the release of Unity 6.3 LTS (Long-Term Support) on December 4, 2025. This version is the first LTS release since Unity 6.0 and emphasizes stability, performance enhancements, and smoother upgrade paths for developers. The company highlighted a 30% decline in regressions and a 22% drop in user-reported issues over the last two years, indicating a strong focus on quality. Unity 6.3 LTS will receive two years of dedicated support, with an additional year for Enterprise and Industry users. The release is aimed at developers starting new projects or those with games in mid-production who require a stable version of the engine. Key improvements include shorter import times, quicker entry into Play mode, and faster build times. The update also introduces new features for Android XR development and tools like Unity Building Blocks to accelerate the setup of complex gameplay systems. No specific market reaction to this release was available in the provided search results.