# What’s Changed ## API ### Improvements - Use clearer message for HTTP server close error by [@sitole](https://github.com/sitole) in [#1838](https://github.com/e2b-dev/infra/pull/1838) - Report correct severity based on error code by [@dobrac](https://github.com/dobrac) in [#1851](https://github.com/e2b-dev/infra/pull/1851) --- ## Orchestrator ### Improvements - Limit sandbox egress TCP connections by [@dobrac](https://github.com/dobrac) in [#1832](https://github.com/e2b-dev/infra/pull/1832) ### Bug Fixes - Fix: NBD fd leak on error by [@dobrac](https://github.com/dobrac) in [#1826](https://github.com/e2b-dev/infra/pull/1826) - Fix: prevent TCP firewall transient accept errors by [@dobrac](https://github.com/dobrac) in [#1827](https://github.com/e2b-dev/infra/pull/1827) --- ## Envd ### Features - Validate access token via MMDS hash during resume by [@dobrac](https://github.com/dobrac) in [#1822](https://github.com/e2b-dev/infra/pull/1822) - Memory-secure token storage by [@dobrac](https://github.com/dobrac) in [#1823](https://github.com/e2b-dev/infra/pull/1823) --- ## New Contributors - [@gaord](https://github.com/gaord) made their first contribution in [#1834](https://github.com/e2b-dev/infra/pull/1834) --- **Full Changelog:** https://github.com/e2b-dev/infra/compare/2026.05...2026.06