socket.io/CHANGELOG.md

History

• 5.2.2 (Feb 2024)
• 5.2.1 (Aug 2023)
• 5.2.0 (Jul 2023)
• 5.1.0 (Jun 2023)
• 5.0.7 (May 2023)
• 5.0.6 (Jan 2023)
• 5.0.5 (Jan 2023)
• 5.0.4 (Apr 2022)
• 5.0.3 (Jan 2022)
• 5.0.2 (Nov 2021)
• 5.0.1 (Oct 2021)
• 5.0.0 (Oct 2021) (major: TypeScript rewrite)
• 4.0.3 (Aug 2021)
• 4.0.2 (Dec 2020)
• 2.2.1 (Sep 2020) (from the 2.2.x branch)
• 4.0.1 (Sep 2020)
• 4.0.0 (Sep 2020) (major: Engine.IO v4)
• 2.2.0 (Sep 2019)

Release notes

5.2.2 (2024-02-05)

Bug Fixes

• typescript: properly import the TransformStream type (0305b4a)

5.2.1 (2023-08-01)

The format of the WebTransport frame has been slightly updated.

5.2.0 (2023-07-31)

Features

• prepend a header to each WebTransport chunk (6142324)

5.1.0 (2023-06-11)

Features

• implement WebTransport-related encoding/decoding (bed70a4)

5.0.7 (2023-05-24)

The CommonJS build now includes the TypeScript declarations too, in order to be compatible the "node16" moduleResolution.

5.0.6 (2023-01-16)

The compile script was not run before publishing 5.0.5, so the esm build did not include the latest changes.

5.0.5 (2023-01-06)

Bug Fixes

• properly encode empty buffer in base64 encoding (#131) (351ba82)

5.0.4 (2022-04-30)

Bug Fixes

• add missing file extension for ESM import (a421bbe)
• typings: update the type of RawData (039b45c)

5.0.3 (2022-01-17)

5.0.2 (2021-11-14)

Bug Fixes

• add package name in nested package.json (7e27159)
• fix vite build for CommonJS users (5f22ed0)

5.0.1 (2021-10-15)

Bug Fixes

• fix vite build (900346e)

5.0.0 (2021-10-04)

This release includes the migration to TypeScript. The major bump is due to the new "exports" field in the package.json file.

See also: https://nodejs.org/api/packages.html#packages_package_entry_points

4.0.3 (2021-08-29)

Bug Fixes

• respect the offset and length of TypedArray objects (6d7dd76)

4.0.2 (2020-12-07)

Bug Fixes

• add base64-arraybuffer as prod dependency (2ccdeb2)

2.2.1 (2020-09-30)

4.0.1 (2020-09-10)

Bug Fixes

• use a terser-compatible representation of the separator (886f9ea)

4.0.0 (2020-09-08)

This major release contains the necessary changes for the version 4 of the Engine.IO protocol. More information about the new version can be found there.

Encoding changes between v3 and v4:

• encodePacket with string

  • input: { type: "message", data: "hello" }
  • output in v3: "4hello"
  • output in v4: "4hello"

• encodePacket with binary

  • input: { type: 'message', data: <Buffer 01 02 03> }
  • output in v3: <Buffer 04 01 02 03>
  • output in v4: <Buffer 01 02 03>

• encodePayload with strings

  • input: [ { type: 'message', data: 'hello' }, { type: 'message', data: '€€€' } ]
  • output in v3: "6:4hello4:4€€€"
  • output in v4: "4hello\x1e4€€€"

• encodePayload with string and binary

  • input: [ { type: 'message', data: 'hello' }, { type: 'message', data: <Buffer 01 02 03> } ]
  • output in v3: <Buffer 00 06 ff 34 68 65 6c 6c 6f 01 04 ff 04 01 02 03>
  • output in v4: "4hello\x1ebAQID"

Please note that the parser is now dependency-free! This should help reduce the size of the browser bundle.

Bug Fixes

• keep track of the buffer initial length (8edf2d1)

Features

• restore the upgrade mechanism (6efedfa)

4.0.0-alpha.1 (2020-05-19)

Features

• implement the version 4 of the protocol (cab7db0)

4.0.0-alpha.0 (2020-02-04)

Bug Fixes

• properly decode binary packets (5085373)

Features

• remove packet type when encoding binary packets (a947ae5)

BREAKING CHANGES

• the packet containing binary data will now be sent without any transformation

Protocol v3: { type: 'message', data: <Buffer 01 02 03> } => <Buffer 04 01 02 03> Protocol v4: { type: 'message', data: <Buffer 01 02 03> } => <Buffer 01 02 03>

2.2.0 (2019-09-13)

• [refactor] Use Buffer.allocUnsafe instead of new Buffer (#104) (aedf8eb), closes #104

BREAKING CHANGES

• drop support for Node.js 4 (since Buffer.allocUnsafe was added in v5.10.0)

Reference: https://nodejs.org/docs/latest/api/buffer.html#buffer_class_method_buffer_allocunsafe_size