# @e2b/cli@2.21.0

Category: agent-infrastructure
Published: 2026-10-01T10:44:23Z
Source: [E2B releases](https://github.com/e2b-dev/E2B/releases/tag/%40e2b%2Fcli%402.21.0)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-02T00:17:52.677Z
Tags: sandbox, code-execution, agents

## Human Summary
E2B releases published @e2b/cli@2.21.0. Minor Changes 2de0cc3 : Cap sandbox fork count at 20. e2b sandbox fork --count , JavaScript Sandbox.fork({ count }) , and Python Sandbox.fork(count=...) reject a count outside 1–20 before the API call. Counts from 21 through 100 used to reach the API. Omitting count still leaves the field off the request so the API…

## Agent Summary
Treat @e2b/cli@2.21.0 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
E2B releases published @e2b/cli@2.21.0. This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: Minor Changes 2de0cc3 : Cap sandbox fork count at 20. e2b sandbox fork --count , JavaScript Sandbox.fork({ count }) , and Python Sandbox.fork(count=...) reject a count outside 1–20 before the API call. Counts from 21 through 100 used to reach the API. Omitting count still leaves the field off the request so the API default applies. Patch Changes 8c7e5cb : Update the protobuf and OpenAPI clients, terminal styling, and interactive prompts to compatible minor releases. Updated dependencies 2de0cc3 Updated dependencies 03887ad Updated dependencies 2f92cc3 Updated dependencies 8c7e5cb Updated dependencies 97522f8 Updated dependencies 8c7e5cb Updated dependencies 4975149 e2b@2.52.0

## Recommended actions
- Review the official E2B releases release notes before upgrading.
- Check compatibility, migration, and security notes against your current agent stack.
- Run focused regression tests before production rollout.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.