jetc.dev Newsletter Issue #309

Issue #309 of the jetc.dev newsletter covers Jetpack Compose and Compose Multiplatform news. Highlights include Media3 1.10.0 stable release with Compose UI modules, enforcing design system rules with custom Detekt rules, cross-platform haptics using Compose Multiplatform, biometric authentication via the new biometric-compose library, and a @RequireOptIn-based @PreviewOnly annotation pattern. Resource roundups feature several open-source projects: a CodeMirror 6 port for Compose Multiplatform, a JSON editor/viewer, a Notion-style block editor, an LLM-powered Material3 theme generator using Gemini Nano, and a tile-based image loader for large images. Also included are AI coding agent skill rosters for Compose development.