Bor v0.4.0 Mainnet Release <> Indore Fork

Hello All,

As announced earlier we are releasing a new stable version of Bor - v0.4.0 for Mainnet. This version includes a hard fork named Indore fork. Please upgrade your mainnet nodes before block number 44,934,656 (Polygon Block Countdown) which is expected to be mined on Tue, Jul 11 2023 around 4 AM GMT.

Instructions to Upgrade

  1. Stop bor service

    sudo service bor stop
  2. Install Bor with a version tag, network name (mainnet), and node type (sentry, validator, or archive).

    # Replace the node type
    curl -L | bash -s -- v0.4.0 mainnet <node_type>
  3. Check bor version

    /usr/bin/bor version
    # It should print 
    # v0.4.0
  4. Restart bor service

    sudo service bor start

Change log

Compared to last stable version v0.3.9 , the following features and improvements have been implemented. (Checkout the v0.4.0 tag on GitHub for more information)

Docker Images

You can find the latest docker images here:



Polygon Team