5.1.0 (2021-05-04)

Features

• add a "connection_error" event (7096e98)
• add the "initial_headers" and "headers" events (2527543)

Performance Improvements

• websocket: add a "wsPreEncoded" writing option (7706b12)
• websocket: fix write back-pressure (#618) (ad5306a)

5.0.0 (2021-03-10)

Bug Fixes

• set default protocol version to 3 (#616) (868d891)

Features

• increase the default value of pingTimeout (5a7fa13)
• remove dynamic require() with wsEngine (edb7343)

BREAKING CHANGES

• the syntax of the "wsEngine" option is updated

Before:

const eioServer = require("engine.io")(httpServer, {
  wsEngine: "eiows"
});

After:

const eioServer = require("engine.io")(httpServer, {
  wsEngine: require("eiows").Server
});

4.1.1 (2021-02-02)

Bug Fixes

• do not reset the ping timer after upgrade (ff2b8ab), closes /github.com/socketio/socket.io-client-swift/pull/1309#issuecomment-768475704

4.1.0 (2021-01-14)

Features

• add support for v3.x clients (663d326)

4.0.6 (2021-01-04)

Bug Fixes

• correctly pass the options when using the Server constructor (#610) (cec2750)

3.5.0 (2020-12-30)

Features

• add support for all cookie options (19cc582), closes /github.com/jshttp/cookie#options-1
• disable perMessageDeflate by default (5ad2736)

4.0.5 (2020-12-07)

No change on the server-side, this matches the client release.

4.0.4 (2020-11-17)

No change on the server-side, this matches the client release.

4.0.3 (2020-11-17)

No change on the server-side, this matches the client release.

4.0.2 (2020-11-09)

Bug Fixes

• add extension in the package.json main entry (#608) (17b8c2f)