Anki add-on: ProCanvas: Smooth Stylus Inking & Smart Shapes for Review

Transform your Anki review experience with ProCanvas, a high-performance, premium-grade inking and whiteboard overlay designed specifically for serious learners using touchscreens and styluses. Key Features Ultra-Smooth 1 Million FPS Engine: Completely overhauled UI animations, high frame-rate transitions, and a gorgeous Google-inspired minimalist aesthetic. Precision Stylus Optimization: Eliminated awkward mouse-pointer cursor lag and prevented unwanted Windows Pointer Services (WPS) threshold interruptions. Pure, natural digital inking. Smart Shape Recognition: Draw freehand geometric shapes (squares, circles, rectangles) and watch them instantly snap into clean, crisp Microsoft Whiteboard-style vectors. Advanced Pen Controls: Dual-tier sizing featuring a smooth fluid slider alongside quick-select fixed thickness presets (1px, 2px, 4px, and 8px). Persistent Review Workflow: Pressing Show Answer no longer wipes your canvas! Your handwritten notes and annotations stay visible so you can accurately mark your learning judgment (Again, Hard, Good, Easy) before the board clears. Premium Look & Feel: Features modern frosted glassmorphism, refined typography, and deeply polished dark/light theme integration.