OpenSandbox

vjava/sandbox/v1.0.11 Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 22d Containers & Orchestration

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Topics

ai ai-agent ai-infra kubernetes sandbox

ReleasePort's take

Moderate signal

editorial:auto 13d

The Kotlin SDK release v1.0.11 adds sandbox metadata patch support and a stable Diagnostics API.

Why it matters: Update the Kotlin SDK to version 1.0.11 to enable new sandbox metadata patching and reliable diagnostics monitoring.

Summary

AI summary

Added sandbox metadata patch and stable diagnostics APIs in the Kotlin SDK.

Changes in this release

Type	Severity	Summary	CVE
Feature	Medium	Add sandbox metadata patch support to the Kotlin SDK. Add sandbox metadata patch support to the Kotlin SDK. Source: llm_adapter@2026-05-21 Confidence: high	—
Feature	Medium	Add stable Diagnostics API support to the Kotlin SDK. Add stable Diagnostics API support to the Kotlin SDK. Source: llm_adapter@2026-05-21 Confidence: high	—
Bugfix	Medium	Tune Kotlin sandbox pool degraded warmup backoff to reduce pressure during prolonged create failures. Tune Kotlin sandbox pool degraded warmup backoff to reduce pressure during prolonged create failures. Source: llm_adapter@2026-05-21 Confidence: high	—

Full changelog

What's Changed

✨ Features

Add sandbox metadata patch support to the Kotlin SDK. Sandbox and SandboxManager can now apply JSON merge-patch updates through the new metadata patch API, including delete semantics for null values; the Kotlin SDK uses a handwritten adapter path so those deletes are preserved correctly and returns parsed SandboxApiException details with the request ID when the server rejects the request. Server and lifecycle spec support landed alongside the SDK surface. https://github.com/alibaba/OpenSandbox/pull/857 https://github.com/alibaba/OpenSandbox/pull/861 https://github.com/alibaba/OpenSandbox/pull/863
Add stable Diagnostics API support to the Kotlin SDK. Sandbox and SandboxManager now expose getDiagnosticLogs and getDiagnosticEvents with required diagnostic scope, plus domain models, converters, adapter wiring, and tests. Existing legacy DevOps clients are not broken, but the stable Diagnostics API currently returns DIAGNOSTICS_NOT_IMPLEMENTED from the open-source server until a stable backend implementation is added. https://github.com/alibaba/OpenSandbox/pull/869

🐛 Bug Fixes

Tune Kotlin sandbox pool degraded warmup backoff to reduce pressure during prolonged create failures. The degraded retry window now starts at an effective 30 seconds, grows up to a 1-day cap, and avoids advancing exponential attempts more than once for multiple concurrent warmup failures in the same reconcile batch. https://github.com/alibaba/OpenSandbox/pull/865 https://github.com/alibaba/OpenSandbox/pull/873

👥 Contributors

Thanks to these contributors ❤️

@ninan-nn
@Pangjiping

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