2026.01.17

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 Copilotのエージェント間メモリシステム導入 - Building an agentic memory system for GitHub Copilot (https://github.blog/ai-and-ml/github-copilot/building-an-agentic-memory-system-for-github-copilot/) GitHub Copilotのエージェント記憶がパブリックプレビューに - Agentic memory for GitHub Copilot is in public preview (https://github.blog/changelog/2026-01-15-agentic-memory-for-github-copilot-is-in-public-preview) 特定リポジトリで秘密スキャンの拡張メタデータが自動有効化 - Secret scanning extended metadata to be automatically enabled for certain repositories (https://github.blog/changelog/2026-01-15-secret-scanning-extended-metadata-to-be-automatically-enabled-for-certain-repositories) Rails Error-aware retry_on、PostgreSQL型登録などRails今週の更新 - Error-aware retry_on, PostgreSQL type mappings, and more! (https://rubyonrails.org/2026/1/16/this-week-in-rails) Kotlin Kotlin プロジェクトを AGP 9.0 に更新 - Update your Kotlin projects for Android Gradle Plugin 9.0 (https://blog.jetbrains.com/kotlin/2026/01/update-your-projects-for-agp9/) Google Cloud Agent Factory：TPU上での強化学習とファインチューニングまとめ - Agent Factory Recap: Reinforcement Learning and Fine-Tuning on TPUs (https://cloud.google.com/blog/topics/developers-practitioners/agent-factory-recap-reinforcement-learning-and-fine-tuning-on-tpus/) Palo Alto Networksが構築したマルチテナント対応の統合データプラットフォーム - How Palo Alto Networks built a multi tenant scalable Unified Data Platform (https://cloud.google.com/blog/topics/partners/palo-alto-networks-builds-a-multi-tenant-unified-data-platform/) SAIFを使った安全なAI構築の実践ガイダンス - Cloud CISO Perspectives: Practical guidance on building with SAIF (https://cloud.google.com/blog/products/identity-security/cloud-ciso-perspectives-practical-guidance-building-with-saif/) AWS Amazon S3 Storage LensがAWS GovCloud (US)で利用可能に - Amazon S3 Storage Lens is now available in AWS GovCloud (US) Regions (https://aws.amazon.com/about-aws/whats-new/2026/01/s3-storage-lens-aws-govcloud-us-regions/) 第二世代AWS Outpostsラックがサンパウロとストックホルムで利用可能に - Second-generation AWS Outposts racks are now supported in additional AWS Regions (https://aws.amazon.com/about-aws/whats-new/2026/01/second-generation-aws-outposts-racks-additional-aws-regions) AWS Outposts が複数の LGW ルーティングドメインをサポート - AWS Outposts racks support multiple LGW routing domains (https://aws.amazon.comabout-aws/whats-new/2026/01/aws-outposts-multiple-lgw-routing-domain) Amazon MWAA、アジアパシフィック（タイ）リージョンで提供開始 - Amazon MWAA now available in additional Region (https://aws.amazon.com/about-aws/whats-new/2026/01/amazon-mwaa-additional-region) 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)