# Socket.IO Client changelog

> The browser and Node client for Socket.IO realtime connections.

- Vendor: Socket.IO
- Category: Frameworks & Libraries
- Official site: https://socket.io/docs/v4/client-api/
- Tracked by: What's New (https://whatsnew.fyi/product/socket-io-client)
- Harvested from: Registry (npm: socket.io-client)
- Entries below: 15 (newest first)

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

## Releases

### 4.8.3

- Date: 2025-12-23
- Version: 4.8.3
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.8.3
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.8.3

### 4.8.2

- Date: 2025-12-22
- Version: 4.8.2
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.8.2
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.8.2

### 4.8.1

- Date: 2024-10-25
- Version: 4.8.1
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.8.1
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.8.1

### 4.8.0

- Date: 2024-09-21
- Version: 4.8.0
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.8.0
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.8.0

### 4.7.5

- Date: 2024-03-14
- Version: 4.7.5
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.7.5
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.7.5

### 4.7.4

- Date: 2024-01-12
- Version: 4.7.4
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.7.4
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.7.4

### 4.7.3

- Date: 2024-01-03
- Version: 4.7.3
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.7.3
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.7.3

### 4.7.2

- Date: 2023-08-02
- Version: 4.7.2
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.7.2
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.7.2

### 4.7.1

- Date: 2023-06-28
- Version: 4.7.1
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.7.1
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.7.1

### 4.7.0

- Date: 2023-06-22
- Version: 4.7.0
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.7.0
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.7.0

### 4.6.2

- Date: 2023-05-31
- Version: 4.6.2
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.6.2
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.6.2

### 4.6.1

- Date: 2023-02-20
- Version: 4.6.1
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.6.1
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.6.1

### 4.6.0

- Date: 2023-02-06
- Version: 4.6.0
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.6.0
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.6.0

### 4.6.0-alpha2

- Date: 2023-02-04
- Version: 4.6.0-alpha2
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.6.0-alpha2
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.6.0-alpha2
- Labels: Pre-release

### 4.6.0-alpha1

- Date: 2023-02-03
- Version: 4.6.0-alpha1
- Original notes: https://www.npmjs.com/package/socket.io-client/v/4.6.0-alpha1
- Permalink: https://whatsnew.fyi/product/socket-io-client/releases/4.6.0-alpha1
- Labels: Pre-release