2026.04.12

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 Copilot利用指標にCloud Agentのアクティブユーザー集計が追加 - Copilot usage metrics now aggregate Copilot cloud agent active user counts (https://github.blog/changelog/2026-04-10-copilot-usage-metrics-now-aggregate-copilot-cloud-agent-active-user-counts) Copilotの新しい利用制限とOpus 4.6 Fast廃止 - Enforcing new limits and retiring Opus 4.6 Fast from Copilot Pro+ (https://github.blog/changelog/2026-04-10-enforcing-new-limits-and-retiring-opus-4-6-fast-from-copilot-pro) AWS Amazon EC2 X8i インスタンスが欧州（パリ）リージョンで利用可能に - Amazon EC2 X8i instances are now available in Europe (Paris) (https://aws.amazon.com/about-aws/whats-new/2026/04/amazon-ec2-x8i-instances-CDG-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)