# zkSync updates

This page contains the release notes for new features in zkSync network, and also notification about changes in the client libraries.

# Actual SDK versions

Network JavaScript SDK Rust SDK
Ropsten 0.8.1 0.1.1
Rinkeby 0.8.1 0.1.1
Mainnet 0.8.1 0.1.1

# Minimum supported SDK versions

Network JavaScript SDK Rust SDK
Ropsten 0.7.5 0.1.0
Rinkeby 0.7.5 0.1.0
Mainnet 0.7.5 0.1.0

# Upcoming breaking changes

# Contract upgrade v4

Scheduled upgrade date: 30.11.2020

List of upcoming changes and the migration guide will be provided later.

# Release history

# zksync.js

# 0.8.1 (10.11.2020)

  • syncMultiTransfer method now uses only one Ethereum signature for a batch.
  • It is now possible to load zksync package synchronously at the expense of all the signing functionality becoming asynchronous.

# zksync-rs

# 0.1.1 (13.11.2020)

  • zksync_contracts dependency was removed.

# Deprecated APIs

This section will contain the client library APIs that are outdated and left for the backward compatibility only.

Feature Affected libraries Scheduled support removal date
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