Arbitrum Nitro v2.1.1

This release is available as a Docker image on Docker Hub at offchainlabs/nitro-node:v2.1.1-e9d8842

What's Changed

This release fixes archive nodes which were broken on the last release (2.1.0).

User-facing Improvements

• Add support for pebble db (not enabled by default yet): #1859
• Allow using different redis keys for dataposter: #1863

Pending ArbOS Version 12 Improvements (work in progress)

• Add methods to configure brotli compression level in ArbOS 12 by @ganeshvanahalli in #1865

Internal Highlights

• Disable skipping saving state in archive node by default: #1900
• Use sequencer inbox isSequencer to verify feed signatures: #1630
• Support new preimage types in proving: #1814
• Upgrade log level to Error when losing connection to L1 for too long: #1783
• Only warn if we hit an issue polling for batch reverts: #1892

Full Changelog: v2.1.0...v2.1.1