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Docker Sandbox Kit Spec: Packaging AI Agent Permissions as OCI Images
Docker has announced that it is bringing the Sandbox Kit Specification to the CNCF, aiming to make what an AI agent may access as portable as the agent itself.
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Docker Cloud Sandboxes Provide a Consistent Sandbox Abstraction across Laptop and Cloud
Docker Cloud Sandboxes provide secure, hosted execution environments for running AI coding agents on Docker-managed infrastructure. Built on hardware-enforced microVM isolation, the platform provides a consistent execution environment and unified CLI workflows for seamlessly moving workloads from local machines to the cloud.
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Docker Launches Fully Rebuilt Virtualization Layer to Boost Performance and Improve Dev Experience
Docker VMM (virtual machine monitor) is Docker's new, first-party virtualization layer for Docker Desktop, replacing third-party virtualization components with an engine that Docker can directly control and optimize specifically for container workloads. The public beta launched with Docker Desktop 4.86 for Mac and Windows.
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Docker’s Cagent Brings Deterministic Testing to AI Agents
Docker is positioning its Cagent runtime as a way to bring deterministic testing back to AI agents, addressing a growing problem for teams building production agentic systems.
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Docker Kanvas Challenges Helm and Kustomize for Kubernetes Dominance
Docker has launched Kanvas, a new platform designed to bridge the gap between local development and cloud production. By automating the conversion of Docker Compose files into Kubernetes artefacts, the tool challenges established solutions like Helm and Kustomize. Developed with Layer5, it marks a shift toward Infrastructure as Code, offering visualisations to simplify cloud-native deployments.
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Neptune Combines AI‑Assisted Infrastructure as Code and Cloud Deployments
Now available in beta, Neptune is a conversational AI agent designed to act like an AI platform engineer, handling the provisioning, wiring, and configuration of the cloud services needed to run a containerized app. Neptune is both language and cloud-agnostic, with support for AWS, GCP, and Azure.
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Docker Releases Desktop 4.50, Adds Free Debugging Tools and AI-Native Enhancements
Docker recently announced the release of Docker Desktop 4.50, marking another update for developers seeking faster, more secure workflows and expanded AI-integration capabilities.
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AWS Introduces Remote Build Cache in ECR to Accelerate Docker Image Builds
Amazon Web Services has announced enhancements to its CodeBuild service, allowing teams to use Amazon ECR as a remote Docker layer cache, significantly reducing image build times in CI/CD pipelines. By leveraging ECR repositories to persist and reuse build layers across runs, organisations can skip rebuilding unchanged parts of containers and accelerate delivery.
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VS Code MSSQL Extension v1.35 Brings Schema Compare, Designer and Local Containers to GA
Microsoft’s August 2025 release of the MSSQL extension for VS Code finalises three flagship features that were previously in preview: Schema Compare, Schema Designer and Local SQL Server Container. Version 1.35 promotes these capabilities to general availability (GA) and delivers usability and performance improvements across the extension.
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Docker Content Trust Retired as Alternatives Flourish
With usage of Docker Content Trust (DCT) declining, and other similar offerings superseding its functionality and ease-of-use, Docker has announced the retirement of Docker Content Trust (DCT). Docker is recommending that organisations using DCT should move to alternatives such as Sigstore or Notation.
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Docker Expands Compose for Agent Development and Ties in Cloud Offload Support
Docker launched a new feature to let developers define, build, and run agents using Docker Compose, with the aim to streamline agent development process and reduce repetitive tasks. Additionally, Docker Offload, now in beta, provides a way to seamlessly offload building and running models to remote GPU compute.
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Docker Desktop 4.42 Launches with Native IPv6, Integrated MCP Toolkit, and AI Model Packaging
Docker Inc. released Docker Desktop 4.42 on June 10, 2025, enhancing networking flexibility, AI workflow integration, and model distribution. Native IPv6 support now enables users to choose between dual-stack, IPv4-only, or IPv6-only modes with intelligent DNS resolution.
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Docker Desktop 4.43 Expands Model Runner and Brings New Compose-Kubernetes Bridge
Following the introduction of Model Runner a few months ago, Docker Desktop 4.43 expands its capabilities with improved model management and broader OpenAI compatibility. The release also debuts a new Compose Bridge to simplify the generation of Kubernetes configurations and upgrade the Gordon AI agent.
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Cloudflare Launches Containers in Public Beta
Cloudflare has announced the public beta of its new container service, enabling developers to run containers on its global network. The service allows users to deploy Docker containers to run workloads difficult to support on the serverless computing platform Workers, such as media and data processing at the edge.
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Docker Launches Hardened Base Images
Docker has launched its Docker Hardened Images (DHI), a security-focused range of base images that reduce vulnerabilities by up to 95%. Built using a distroless approach, these minimal images eliminate unnecessary components, offering automatic patching and compatibility with existing Dockerfiles. Ideal for regulated environments, DHI enhances software supply chain security and transparency.