v0.2.20

What's Changed

• Allow erase for frustum images by @brentyi in #342
• Fix broken toon3/toon5 materials, bump to three r170 by @brentyi in #345
• Fix Gaussian rendering from virtual cameras by @brentyi in #344
• Implement gui.add_image() + plotting example by @brentyi in #343
• Improve memory management: more aggressive message culling + tests by @brentyi in #353
• Fix file upload notification by @brentyi in #354
• Add .near and .far props to camera handles by @brentyi in #356
• Fix buffer updates, unnecessary remounts for Gaussian renderer by @brentyi in #362
• Remove unnecessary array copies for add_line_segments() by @brentyi in #363
• Cleaner API for saved/embedded visualizations + initial documentation by @brentyi in #357
• Fix badges by @brentyi in #364
• Orbit origin tool by @brentyi in #361

Full Changelog: v0.2.19...v0.2.20