2026.01.14

最近 SAMARI で要約された技術ニュースをお届けします。Show Notes GitHub GitHub Appsの「Act on your behalf」警告を利用状況で選択表示（パブリックプレビュー） - Selectively showing "act on your behalf" warning for GitHub Apps is in public preview (https://github.blog/changelog/2026-01-12-selectively-showing-act-on-your-behalf-warning-for-github-apps-is-in-public-preview) アーティファクトメタデータ用の細粒度パーミッションが一般提供に - New fine-grained permission for artifact metadata is now generally available (https://github.blog/changelog/2026-01-13-new-fine-grained-permission-for-artifact-metadata-is-now-generally-available) 開発者が語る、AIの本当に有用な使い方 - What AI is actually good for, according to developers (https://github.blog/ai-and-ml/generative-ai/what-ai-is-actually-good-for-according-to-developers/) Rust インフラチーム：2025年Q4振り返りと2026年Q1計画 - Infrastructure Team 2025 Q4 Recap and Q1 2026 Plan (https://blog.rust-lang.org/inside-rust/2026/01/13/infrastructure-team-q4-2025-recap-and-q1-2026-plan/) Ruby Ruby 4.0.1 リリース - Ruby 4.0.1 Released (https://www.ruby-lang.org/en/news/2026/01/13/ruby-4-0-1-released/) Kotlin KotlinでAIエージェント構築 — パート4：委任とサブエージェント - Building AI Agents in Kotlin – Part 4: Delegation and Sub-Agents (https://blog.jetbrains.com/ai/2026/01/building-ai-agents-in-kotlin-part-4-delegation-and-sub-agents/) Compose Hot Reload 1.0.0の技術概要 - The Journey to Compose Hot Reload 1.0.0 (https://blog.jetbrains.com/kotlin/2026/01/the-journey-to-compose-hot-reload-1-0-0/) Compose Multiplatform 1.10.0：共通@Preview・Navigation 3・安定版Hot Reload - Compose Multiplatform 1.10.0: Unified @Preview, Navigation 3, and Stable Compose Hot Reload (https://blog.jetbrains.com/kotlin/2026/01/compose-multiplatform-1-10-0/) Google Cloud 調査：連邦機関の約90%が既にAIを利用 - New Google Public Sector research shows that nearly 90% of federal agencies are already using AI (https://cloud.google.com/blog/topics/public-sector/new-google-public-sector-research-shows-that-nearly-90-of-federal-agencies-are-already-using-ai/) MCPでgRPCをネイティブ輸送として提供へ - A gRPC transport for the Model Context Protocol (https://cloud.google.com/blog/products/networking/grpc-as-a-native-transport-for-mcp/) AWS Amazon MSK Connect、3つの追加リージョンで利用可能に - Amazon MSK Connect is now available in three additional AWS Regions (https://aws.amazon.com/about-aws/whats-new/2026/01/amazon-msk-connect-additional-aws-regions) BGM: yuhei komatsu (https://dova-s.jp/_contents/author/profile446.html) 音声: Google Cloud Text-to-Speech AI (https://cloud.google.com/text-to-speech)