Node.js v18.8.0 released!

[NewsBot]

Node.js v18.8.0 has been released.

Notable changes

bootstrap: implement run-time user-land snapshots via --build-snapshot and --snapshot-blob

This patch introduces --build-snapshot and --snapshot-blob options for creating and using user land snapshots.

To generate a snapshot using snapshot.js as an entry point and write the snapshot blob to snapshot.blob:

echo "globalThis.foo = 'I am from the snapshot'" > snapshot.js
node --snapshot-blob snapshot.blob --build-snapshot snapshot.js

To restore application state from snapshot.blob, with index.js as the entry point script for the deserialized application:

echo "console.log(globalThis.foo)" > index.js
node --snapshot-blob snapshot.blob index.js
# => I am from the snapshot

Users can also use the v8.startupSnapshot API to specify an entry point at snapshot building time, thus avoiding the need of an additional entry script at deserialization time:

echo "require('v8').startupSnapshot.setDeserializeMa...

Link: Release 2022-08-24, Version 18.8.0 (Current), @ruyadorno · nodejs/node · GitHub

[bot]

Corresponding tweet for this thread:

Devtalk

Share link for this tweet.