# E2B releases version 2.57.0 with a TLS option for egress proxies

published: 2026-10-20T16:05:36.384Z
topic: infrastructure
source: https://github.com/e2b-dev/E2B/releases/tag/e2b%402.57.0
url: https://aiagentnews.io/stories/e2b-releases-version-2-57-0-with-a-tls-option-for-egress-proxies

E2B has released e2b@2.57.0, which adds a TLS setting to egress proxy options. The release also includes a protobuf dependency bump and several internal refactors.

E2B has released e2b@2.57.0. The minor change adds a tls option to the egress proxy settings, which accepts either true or an object with optional serverName and caCert fields. In Python, these are exposed as server_name and ca_cert.

The getInfo and get_info calls now report the TLS setting, but they do not return the CA certificate.

Patch-level changes bump @bufbuild/protobuf to ^2.16.0 and share the process kill implementation between commands and PTY. The CLI's --language option parser is now shared between template init and template migrate, and unused internal exports were removed.

## Why it matters if you build agents

If your agents send outbound traffic through an egress proxy that needs a custom CA or a server name, you can now set that in the E2B options instead of working around it.

Call getInfo or get_info to confirm the TLS setting is applied, keeping in mind that the CA certificate is not returned.

The other changes are internal refactors and a dependency update, so they are unlikely to need action in your code.