✅ What’s new in v4.0:

📚 Massive Training Expansion
· Over 1M new images integrated, profiling the model’s core style with higher accuracy.
· Improved balance across genres: portraits, scenes, fantasy, sci-fi, and stylized realism.

🎨 Enhanced Style Fidelity
· Sharper alignment with the cinematic 2.5D Illustrious aesthetic.
· More stable color grading, atmospheric lighting, and dynamic shadows.

🧠 Advanced Anatomy & Expression
· Stronger facial accuracy across angles and close-ups.
· Natural, expressive body language and improved hand rendering.

⚙️ Prompt Adherence Boost
· More reliable with longer and complex prompts.
· Stronger sensitivity to mood, atmosphere, and detailed descriptors.

⚡ Performance & Resolution
· Stable generation in higher resolutions with fewer artifacts.
· Great performance with as few as 20 steps across multiple schedulers (Euler, Euler Ancestral, DPM++ 2M SDE, UniPC).
· Optimized for both efficiency and quality at different resolutions.

👉 Illustrious v4.0 is the next leap — redefining the line with scale, precision, and identity. It builds on the legacy of the v3 Series while unlocking a wider creative range for artists and creators.