Automatic snapshot pre-release monthly-2022-05

Changes since last snapshot (monthly-2022-04)

Substrate changes

Runtime

• Nomination Pools (#10694)
• staking: Proportional ledger slashing (#10982)
• Configurable call fee refund for signed submissions (#11002)
• Remark storage (#10698)
• Rb staking pallet validator commission change event (#10827)
• Fix WASM block producer panic (#11206)
• Add Limit to Tranasctional Layers (#10808)

Client

• Make wildcard storage change subscriptions RPC-unsafe (#11259)
• Add chain-info Subcommand (#11250)
• Add benchmark machine placeholder (#11198)
• Finality notification: Optimize calculation of stale heads (#11200)
• Add new hardware and software metrics (#11062)
• Sub-commands for benchmark (#11164)

API

• Make wildcard storage change subscriptions RPC-unsafe (#11259)
• Add frame_support::crypto::ecdsa::Public.to_eth_address() (k256-based) and use it in pallets (#11087)
• Apply WeightToFeePolynomials to pallet_transaction_payment's length fee (#10785)
• Revert "Replace storage access by atomics" (#11156)