AgentsMicrosoft Open-Sources LiteBox: Rust-Based Agent SandboxingSecurity Boulevard·high signalXBlueskyLinkedInCopy linkRust library OS for agent sandboxing, MIT license, AMD SEV-SNP supportSourceSource pageSecurity Boulevard↳ Follow the threadShared entityMicrosoft Publishes Maia 200 Specs: 10,145 Tflop/s FP4 and 7 TB/s HBM in a 750W EnvelopearXiv 2608.24664Stack layer / ContrastGradient open-sources a full reinforcement-learning loop for training tool-using research agents with GRPOGitHubStack layer / ContrastCopilotKit shipped three tags in six days including a same-day Python SDK release, at 37,068 starsGitHubStack layer / Update threadIBM Released Granite 4.2 as Dense Reasoning Models at 3B, 8B and 30B Under Apache 2.0 With a 512K ContextHugging Face (ibm-granite), via r/LocalLLaMAStack layer / Update threadCROSS-CATEGORY: Slack and SandboxAQ Both Claimed the Human-Agent Collaboration Layer on the Same Day, From Opposite DirectionsSandboxAQ via PRNewswire, synthesized with Slack Developers Blog and Product Hunt (all 2026-08-26 to 2026-08-27)Policy dependency / Stack layerGitHub Ships Global Model Policy GA and Auto-Update for Enterprise Plugin MarketplacesGitHub ChangelogStack layer / ContrastSpinifex Reimplements EC2, S3, EBS, VPC, IAM, RDS and EKS on Your Own Hardware Under AGPLGitHub (via Show HN, 2026-08-26)Threat pattern / Update threadbrowser-use/browser-harness v0.1.10 is a pure agent-security release: CDP credentials redacted from logs and orchestrator daemons now fail closedGitHub