Docker Desktop 4.29 released with new features

Here's a detailed bulleted list of features from the Docker Desktop 4.29 release:

• Enhanced Container Isolation (ECI) with Docker Socket Mount Permissions:

  • General Availability: Available to Business subscribers, enhancing security with unprivileged containers.
  • Selective Permissions: Allows admin to specify which container images can access the Docker socket via a curated image list.
  • Command Restrictions: Limits the Docker commands that approved containers can execute, providing an additional layer of security.

• Advanced Error Management:

  • Enhanced Error Interface: Combines error codes with explanatory text and support links for easy troubleshooting.
  • Direct Diagnostic Uploads: Enables users to share diagnostics directly from the error screen, simplifying the support process.
  • Reset and Exit Options: Provides quick fixes directly from the error interface.
  • Self-Service Remediation: Offers actionable steps for users to independently resolve issues.

• New Features in Docker Engine (Moby 26):

  • Volume Subpath Mounts: Allows mounting a subdirectory as a named volume for enhanced data management.
  • Networking Enhancements: Improves stability and lays groundwork for future IPv6 support.
  • Integration of BuildKit 0.13: Includes experimental support for Windows Containers and other efficiency improvements.
  • Streamlined API: Deprecated versions removed to enhance security and reliability.
  • Multi-Platform Image Enhancements: Improved docker images UX for handling multi-platform images.

• Beta Release Highlights:

  • Docker Debug in Docker Desktop GUI and CLI: Offers tools for debugging both local and remote containerized applications from Docker Desktop.
  • Improved Volume Backup Capabilities: Integrates Volumes Backup & Share extension into Docker Desktop, enhancing backup processes.
  • Support for Host Network Mode on Docker Desktop for Mac and Windows: Provides enhanced networking capabilities, allowing containers to use the host’s network stack.

• Air-Gapped Containers (Beta Feature):

  • Restricting Network Access: Ensures containers only communicate with approved sources.
  • Customizing Proxy Rules: Allows detailed control over container traffic.
  • Enhancing Data Protection: Helps prevent unauthorized data transfer in or out of containers.

• Compose Bind Mount Support with Synchronized File Shares:

  • Synchronized File Shares (SFS): Enhances bind mounts with native filesystem performance, speeding up file operations significantly.
  • Seamless Integration: Automatically optimizes bind mounts with no additional configuration needed in Compose.

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Docker Desktop Release 4.29: Docker Socket Mount Permissions in ECI, Advanced Error Management, Moby 26, and New Beta Features | Docker

Docker Desktop 4.29 introduces enhancements to secure and streamline the development process and to improve error management and workflow efficiency. With the integration of Enhanced Container Isolation (ECI) with Docker socket mount permissions, the debut of Moby 26 within Docker Desktop, and exciting features such as Docker Compose enhancements via synchronized file shares reaching Beta, we're equipping developers with the essential resources to tackle the complexities of modern development head-on.