# Release notes

# Chainstack 1.4.2

December 31, 2019

# What's new

• Protocols
  • Corda 4.3 support. You can also now install CorDapps containing workflows and contracts in a single JAR file.
  • Quorum 2.4.0 support. Learner node role support. Tessera 0.10.2 support.
  • MultiChain 2.0.3 support.
  • Bitcoin 0.19.0.1 support. Bitcoin nodes now run with the txindex flag allowing to query any transaction on the blockchain.
• Documentation. Context-sensitive documentation links in the platform UI.

# Bug fixes

• Installation rollback for CorDapps not compatible with Corda node.
• Numerous UI and copy fixes and improvements.

# Chainstack 1.4.1

November 14, 2019

# What's new

• Protocols. Bitcoin 0.18 support. You can now deploy dedicated nodes with Bolt synchronization and free access to shared nodes on the mainnet.
• Network and node statuses. You can now see network and node statuses to when operations are occurring on any network resource.
• Node details. Node access and credentials are now grouped into sections, so it's easier to read.
• Billing. View individual metered usage cost line items for the current billing period, updated hourly.
• Documentation. Bitcoin general description and Bitcoin operations.

# Bug fixes

• Numerous UI and copy fixes and improvements.

# Chainstack 1.4

October 17, 2019

# What's new

• Protocols
  • Corda 4.1 support. You can now deploy a consortium network with network map service, doorman, and notary. Dynamically add and remove participant nodes. Install and remove CorDapps.
  • Quorum 2.3.0 support. Replaced Constellation transaction manager with Tessera.
• User management. Invite users into the organization.
• Billing. View metered usage cost for the current billing period, updated hourly.
• Documentation
  • Corda general description and Corda operations.
  • New tutorials: No ticket scalping CorDapp and Trust fund account with Remix.

# Bug fixes

• Resolved unexpected leader changes on Quorum networks with Raft consensus by increasing Raft block time from 50 to 150 ms.
• Numerous UI and copy fixes and improvements.

# Chainstack 1.3

September 3, 2019

# What's new

• Security. Protected endpoints added for Quorum and Ethereum nodes.
• Deployment. Bolt snapshots are now updated hourly so that nodes are deployed and synchronized with fresher snapshots.
• Protocols. Numerous stability improvements for Quorum networks and nodes.
• Activity and events. In-platform notifications and activity log introduced to provide visibility into account activity.
• Documentation. Complete content and structure overhaul for improved access, browsing, and discovery.

# Bug fixes

• Numerous UI and copy fixes and improvements.

# Breaking changes

• Unprotected endpoints for Quorum and Ethereum nodes deprecation on October 1, 2019.

# Chainstack 1.2.1

July 1, 2019

# What’s new

• Documentation
  • New guide: Deploying a hybrid MultiChain network.
  • New tutorial: Loyalty program with Truffle.

# Bug fixes

• Improved Ropsten nodes syncing.

# Chainstack 1.2

June 21, 2019

# What’s new

• Protocols
  • Added Ethereum Ropsten testnet support with Bolt.
  • Updated Quorum explorer from blk-explorer-free to epirus-free.
• Node details. Added complete details for Quorum, including default wallet private/public keys. Standardized fields for all protocols.
• Documentation. New tutorial: Academic certificates with Truffle.

# Bug fixes

• Numerous UI and copy fixes and improvements.

# Chainstack 1.1.1

May 9, 2019

# What’s new

• Protocols. Introduced shared Ethereum mainnet nodes support.
• Projects. The project description field is now optional.

# Bug fixes

• Fixed issues with MultiChain stability.

# Chainstack 1.1

May 3, 2019

# What’s new

• Updating and deleting resources. You can now edit project name and description, network and node name. You can delete nodes by the owner, networks are deleted automatically when the last node is deleted, projects can be deleted if empty.
• Navigation. Updated menu with links to Documentation and Support.
• Support. Added Zendesk widget.

# Bug fixes

• Fixed sign-up markup issues.
• Adjusted columns in the network and node list.

# Chainstack 1.0.2

April 11, 2019

# What’s new

• Protocols
  • Added MultiChain 2.0 release support.
  • Added Quorum 2.2.3 support.

# Bug fixes

• Fixed the MultiChain explorer lack of connectivity.
• Fixed project invitations duplicates.
• Fixed clearing the cookies on log out without a valid token.

# Chainstack 1.0.1

April 2, 2019

# What’s new

• Registration and sign in. Password recovery via email.

# Bug fixes

• Fixed links to documentation, terms of service, and privacy policy.
• Fixed sorting by date in the network list.

# Chainstack 1.0

March 17, 2019

• Registration and sign in. Signing up via email, password, and personal details. Signing up for a member invited to the project. Email confirmation on successful registration. Email verification.
• Consortium project. Wizards to create a new network and add a node to the existing network. Invitation of other organizations as members to the project via email.
• Public chain project. Wizards to join a public network and add another node.
• Protocols
  • MultiChain 2.0-beta-1 support with blockchain explorer.
  • Quorum 2.2.1 support with Raft and IBFT, and blk-explorer-free blockchain explorer.
  • Full Ethereum mainnet node deployment with Bolt rapid sync mechanism.
• Clouds. Google Cloud Platform and Amazon Web Services in the Asia-Pacific region.
• Node details. Default wallet private/public keys, and chain name for MultiChain. Constellation private/public keys, and network ID for Quorum. Sync mode and network ID for Ethereum. Client version for all protocols.
• Settings. Editing personal and organization details. Changing password.
• Documentation. Portal based on VuePress.