ava-labs/avalanchego v1.9.0

Banff - Elastic Subnets

on GitHub

This upgrade adds support for creating Proof-of-Stake Subnets.

This version is not backwards compatible. The changes in the upgrade go into effect at 12 PM EDT, October 18th 2022 on Mainnet.

All Mainnet nodes should upgrade before 12 PM EDT, October 18th 2022.

The supported plugin version is 17.

Upgrades

• Activated P2P serialization format change to Protobuf
• Activated non-AVAX ImportTx/ExportTxs to/from the P-chain
• Activated Banff* blocks on the P-chain
• Deactivated Apricot* blocks on the P-chain
• Activated RemoveSubnetValidatorTxs on the P-chain
• Activated TransformSubnetTxs on the P-chain
• Activated AddPermissionlessValidatorTxs on the P-chain
• Activated AddPermissionlessDelegatorTxs on the P-chain
• Deactivated ANT ImportTx/ExportTxs on the C-chain
• Deactivated ANT precompiles on the C-chain

Deprecations

• Ubuntu 18.04 releases are deprecated and will not be provided for >=v1.9.1

Miscellaneous

• Fixed locked input signing in the P-chain wallet
• Removed assertions from the logger interface
• Removed --assertions-enabled flag
• Fixed typo in --bootstrap-max-time-get-ancestors flag
• Standardized exported P-Chain codec usage
• Improved isolation and execution of the E2E tests
• Updated the linked hashmap implementation to use generics