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Bug fixes

UpdateUnverifiedAdded Sep 25, 2026

- Fixed an issue where a resumed sandbox could silently drop outbound traffic until its network cache re-resolved, causing stalled connections right after resume. ( #3271 ) Fixed a rare deadlock in sandbox command execution where cancelling a request while a command was starting could leave the call hung.

Topics: Security

E2B's release notes

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DateRelease
Jul 14Per-role storage URLs for self-hosted deploymentsunverified
Update
Jul 14Compressed uploads for AWS storageunverified
Update
Jul 27Projects Rename, Symlink Support & Python SDK Transportunverified
Update
Jul 28Sandbox Forking & Snapshot Name Filtersunverified
Update
Aug 3Access Tokens Disabled & Multi-Distro Templatesunverified
Update
Aug 13Self-Hosted Proxy Retirement & Template Cert Repairunverified
Deprecation
Aug 17Workload Identity in the SDKs & Faster Python HTTPunverified
Update
Aug 24Bring Your Own Proxy & Sandbox List Filtersunverified
Update

Also shipped on Jul 14, 2026

E2B in July 2026

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