2026.01.21

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 企業スコープの予算でコストセンター利用を除外（パブリックプレビュー） - Enterprise-scoped budgets that exclude cost center usage in public preview (https://github.blog/changelog/2026-01-19-enterprise-scoped-budgets-that-exclude-cost-center-usage-in-public-preview) コードからクラウドまでのトレーサビリティとSLSA Build Level 3セキュリティ強化 - Strengthen your supply chain with code-to-cloud traceability and SLSA Build Level 3 security (https://github.blog/changelog/2026-01-20-strengthen-your-supply-chain-with-code-to-cloud-traceability-and-slsa-build-level-3-security) コンテキストウィンドウ、Planエージェント、TDD：GitHub Copilotでカウントダウンアプリを作って学んだこと - Context windows, Plan agent, and TDD: What I learned building a countdown app with GitHub Copilot (https://github.blog/developer-skills/application-development/context-windows-plan-agent-and-tdd-what-i-learned-building-a-countdown-app-with-github-copilot/) AI支援でCodeQLアラートを効率的にトリアージ - AI-supported vulnerability triage with the GitHub Security Lab Taskflow Agent (https://github.blog/security/ai-supported-vulnerability-triage-with-the-github-security-lab-taskflow-agent/) AWS Amazon QuickSight、ダッシュボードの表／ピボットテーブルを閲覧者が直接カスタマイズ可能に - Amazon Quick Sight expands dashboard customization in tables and pivot tables (https://aws.amazon.com/about-aws/whats-new/2026/01/amazon-quicksight-expands-dashboard-customization-tables-pivot-tables) AWS Glueがアジアパシフィック（ニュージーランド）リージョンで利用可能に - AWS Glue is now available in Asia Pacific (New Zealand) Region (https://aws.amazon.com/about-aws/whats-new/2026/01/aws-glue-available-new-zealand-region) Google Cloud Firestoreの新しい高度なクエリエンジンでアプリを強化 - Elevate your applications with Firestore’s new advanced query engine (https://cloud.google.com/blog/products/data-analytics/new-firestore-query-engine-enables-pipelines/) Kotlin JPAとKotlinのよくある落とし穴を避ける方法 - How to Avoid Common Pitfalls With JPA and Kotlin (https://blog.jetbrains.com/idea/2026/01/how-to-avoid-common-pitfalls-with-jpa-and-kotlin/) 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)