---
title: "@smithy/eventstream-codec 4.5.2"
description: "Latest published version of @smithy/eventstream-codec is 4.5.2, licensed Apache-2.0. Current as of our last registry check."
url: https://inlinr.com/packages/@smithy/eventstream-codec
lang: en
---

[Packages](https://inlinr.com/packages)

# @smithy/eventstream-codec

4.5.2 · 15 Aug 2026 Apache-2.0 32.4M / week [Repository](https://github.com/smithy-lang/smithy-typescript) [Homepage](https://github.com/smithy-lang/smithy-typescript/tree/main/packages/eventstream-codec) [npm](https://www.npmjs.com/package/@smithy/eventstream-codec) [Atom feed](https://inlinr.com/packages/feed/@smithy/eventstream-codec)

Your version 

## Where each line stands

[Plan an upgrade](https://inlinr.com/packages/@smithy/eventstream-codec/upgrade)

LineNewestSecurity

- 4.x 4.5.2 No known advisory Latest line
- 3.x 3.1.10 No known advisory [To 4.5.2](https://inlinr.com/packages/@smithy/eventstream-codec/upgrade/3.1.10-4.5.2)
- 2.x 2.2.0 No known advisory [To 4.5.2](https://inlinr.com/packages/@smithy/eventstream-codec/upgrade/2.2.0-4.5.2)
- 1.x 1.1.0 No known advisory [To 4.5.2](https://inlinr.com/packages/@smithy/eventstream-codec/upgrade/1.1.0-4.5.2)

## Latest releases

[All 92 releases](https://inlinr.com/packages/@smithy/eventstream-codec/releases)

1. ### [4.5.2](https://inlinr.com/packages/@smithy/eventstream-codec/releases/4.5.2 "Open this release") [](https://github.com/smithy-lang/smithy-typescript/releases/tag/%40smithy/eventstream-codec%404.5.2 "Read this release where it was published")  
15 Aug 2026

  - Restore npm provenance attestations. No functional changes.
2. 4.5.0 – 4.5.1 2 releases that only update dependencies [@smithy/core 3.33.1](https://inlinr.com/packages/@smithy/core) Show each
  - [4.5.1](https://inlinr.com/packages/@smithy/eventstream-codec/releases/4.5.1 "Open this release") [](https://github.com/smithy-lang/smithy-typescript/releases/tag/%40smithy/eventstream-codec%404.5.1 "Read this release where it was published") 15 Aug 2026 [@smithy/core 3.33.1](https://inlinr.com/packages/@smithy/core)
  - [4.5.0](https://inlinr.com/packages/@smithy/eventstream-codec/releases/4.5.0 "Open this release") [](https://github.com/smithy-lang/smithy-typescript/releases/tag/%40smithy/eventstream-codec%404.5.0 "Read this release where it was published") 11 Aug 2026 [@smithy/core 3.32.0](https://inlinr.com/packages/@smithy/core)
3. ### [4.4.16](https://inlinr.com/packages/@smithy/eventstream-codec/releases/4.4.16 "Open this release")  
29 Jul 2026

Notes older than 90 days are read on the [Releases tab](https://inlinr.com/packages/@smithy/eventstream-codec/releases).

Dependency tracking · free for 3 projects

## Know when your own dependencies move

@smithy/eventstream-codec published 38 releases in the last 12 months. inlinr folds the routine ones into a line and keeps the few that need you.

- Advisories reach you  
An email when a critical or high advisory affects a project, before the next install.
- Upgrades checked first  
Peer ranges, Node, ESM-only and types changes read before you bump.
- Only what matters  
Majors and breaking notes stay; patches and sibling bumps fold into one line.

[How dependency tracking works](https://inlinr.com/dependencies)

## Security

No known security advisory.

## Health

[Details](https://inlinr.com/packages/@smithy/eventstream-codec/security#signals)

- **Provenance**:
- **Publisher**:
- **Maintainers**:
- **Scorecard**:
- **Size**:

## Weekly downloads

## Same family

- [@smithy/types 191M/wk](https://inlinr.com/packages/@smithy/types)
- [@smithy/core 139.1M/wk](https://inlinr.com/packages/@smithy/core)
- [@smithy/util-utf8 135.2M/wk](https://inlinr.com/packages/@smithy/util-utf8)
- [@smithy/signature-v4 127.9M/wk](https://inlinr.com/packages/@smithy/signature-v4)
- [@smithy/protocol-http 69.6M/wk](https://inlinr.com/packages/@smithy/protocol-http)
- [@smithy/util-middleware 60.6M/wk](https://inlinr.com/packages/@smithy/util-middleware)
- [@smithy/smithy-client 52.6M/wk](https://inlinr.com/packages/@smithy/smithy-client)
- [@smithy/middleware-endpoint 52.6M/wk](https://inlinr.com/packages/@smithy/middleware-endpoint)

Reading releases, release notes and advisories…

Registry facts last checked 2 Nov 2026\. Releases and advisories last read 2 Nov 2026.