2026.04.11

最近 SAMARI で要約された技術ニュースをお届けします。Show Notes AWS Amazon BedrockがIAMユーザー／ロール別のコスト配分に対応 - Amazon Bedrock now supports cost allocation by IAM user and role (https://aws.amazon.com/about-aws/whats-new/2026/04/bedrock-iam-cost-allocation/) Timestream for InfluxDB、顧客定義メンテナンスウィンドウ対応 - Amazon Timestream for InfluxDB Now Supports Customer-Defined Maintenance Windows (https://aws.amazon.com/about-aws/whats-new/2026/04/timestream-influxdb-maintenance-windows/) 請求とコスト管理ダッシュボードがレポートの定期メール配信に対応 - AWS Billing and Cost Management Dashboards Now Supports Scheduled Email Delivery (https://aws.amazon.com/about-aws/whats-new/2026/04/aws-billing-and-cost-management-dashboards-scheduled-email-delivery/) Google Cloud 大規模GPUインフラの信頼性設計ガイド - A developer’s guide to architecting reliable GPU infrastructure at scale (https://cloud.google.com/blog/products/compute/a-guide-to-architecting-reliable-gpu-infrastructure/) ローカルでのマルチエージェント（メモリ付き）テスト手順 - Create Expert Content: Local Testing of a Multi-Agent System with Memory (https://cloud.google.com/blog/topics/developers-practitioners/create-expert-content-local-testing-of-a-multi-agent-system-with-memory/) 公共セクターのAI導入で革新と影響力を加速 - Accelerating innovation and impact across the public sector (https://cloud.google.com/blog/topics/public-sector/accelerating-innovation-and-impact-across-the-public-sector/) SAP ConcurがエージェントAIで経費報告を自動化 - How SAP Concur automates expense reporting with agentic AI (https://cloud.google.com/blog/products/ai-machine-learning/how-sap-concur-automates-expense-reporting-with-agentic-ai/) エージェントの精度向上とコンテキスト設計 - Near-100% Accurate Data for your Agent with Comprehensive Context Engineering (https://cloud.google.com/blog/products/databases/how-to-get-your-agent-near-100-percent-accurate-data/) QueryDataで自然言語を高精度にSQL変換 - QueryData helps agents turn natural language into queries for AlloyDB, Cloud SQL and Spanner (https://cloud.google.com/blog/products/databases/introducing-querydata-for-near-100-percent-accurate-data-agents/) Application Load Balancerへの移行ガイド - Migrating to Google Cloud’s Application Load Balancer: A practical guide (https://cloud.google.com/blog/products/networking/migrate-on-prem-application-load-balancing-to-google-cloud/) Google CloudとTeam USAの冬季五輪向けAIインフラ構築 - Behind the Analysis with Google Cloud and Team USA: Architecting AI infrastructure for U.S. Winter Olympians (https://cloud.google.com/blog/products/media-entertainment/architecting-ai-infrastructure-for-us-winter-olympians/) Prismで会話型分析エージェントの評価を自動化 - How to run evals for Conversational Analytics agents (https://cloud.google.com/blog/products/ai-machine-learning/run-evals-for-conversational-analytics-agents-using-prism/) SCC StandardでAIとクラウドの基礎的セキュリティがデフォルトに - Raising the security baseline: Essential AI and cloud security now on by default (https://cloud.google.com/blog/products/identity-security/essential-ai-and-cloud-security-now-on-by-default/) Data Studio が Data Cloud 資産の新たな拠点に - Data Studio returns as new home for Data Cloud assets (https://cloud.google.com/blog/products/data-analytics/looker-studio-is-data-studio/) Google Data Cloudでデータキュレーションを加速 - Accelerating data curation with Google Data Cloud (https://cloud.google.com/blog/products/data-analytics/data-curation-accelerators-for-google-data-cloud/) Bitbucket Rovo ChatがBitbucket Pipelinesに対応 - Rovo Chat in Bitbucket now understands your Pipelines (https://www.atlassian.com/blog/bitbucket/rovo-chat-now-understands-bitbcket-pipelines) Rails query: と body: による統合テストの明確化など、今週の Rails 更新 - Explicit query: and body: kwargs for integration tests and more! (https://rubyonrails.org/2026/4/10/this-week-in-rails) GitHub Copilot Cloud Agentの検証ツールが20%高速化しました - Copilot cloud agent’s validation tools are now 20% faster (https://github.blog/changelog/2026-04-10-copilot-cloud-agents-validation-tools-are-now-20-faster) GitHub Copilot CLI（初心者向け）：はじめ方 - GitHub Copilot CLI for Beginners: Getting started with GitHub Copilot CLI (https://github.blog/ai-and-ml/github-copilot/github-copilot-cli-for-beginners-getting-started-with-github-copilot-cli/) 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)