[0.2.0] - 2026-04-20

Features

• Deep Interactive Mode — Generate hands-on interactive scenes (3D visualization, simulation, game, mind map/diagram, online programming) with an AI teacher who operates the UI to guide students. Fully responsive across desktop, tablet, and mobile #461
• Add code element support on the whiteboard — AI agents can write, display, and reference runnable code during lessons #385 (by @cosarah)
• Add Arabic (ar-SA) interface language #431 (by @YizukiAme)
• Add MinerU Cloud API as a PDF parsing provider, with a dedicated settings UI #438
• Add latest OpenAI models to the default config #416 (by @donghch)
• Add GLM-5.1 and GLM-5V-Turbo to GLM preset models #437
• Add international base URL shortcuts for GLM, Kimi, and MiniMax in provider settings #449
• Add anti-framing security headers (X-Frame-Options + CSP frame-ancestors) with an optional ALLOWED_FRAME_ANCESTORS override #430 (by @YizukiAme)
• Add i18n key alignment check to CI so missing or extra translation keys fail the build #447 (by @KanameMadoka520)
• Add whiteboard layout quality eval harness and unify it with the outline-language harness #425 #453

Bug Fixes

• Fix classroom ZIP export to use the latest classroom name from IndexedDB #435
• Fix spotlight cutout for text elements and add element-content variant for image/video #457

Other Changes

• Renew the README with Deep Interactive Mode showcase and visual assets #463 (by @Shirokumaaaa)
• Update Discord invite links across README, CONTRIBUTING, and issue templates