Collator v5.4.0 for polkadot-v0.9.19

This release contains the changes from polkadot-v0.9.18 to polkadot-v0.9.19.

Global Priority

Low: This is a low priority release and you may upgrade at your convenience.

Rust compiler versions

This release was tested against the following versions of rustc. Other versions may work.

• Rust Stable: rustc 1.60.0 (7737e0b5c 2022-04-04)
• Rust Nightly: rustc 1.62.0-nightly (e745b4ddb 2022-04-07)

Database Migrations

No Database migration detected in this release.

Changes

Legend

• [C] Cumulus
• [P] Polkadot
• [S] Substrate

Client

• [S] #11004 - Additional benchmark-storage flags
• [S] #10977 - Add execution overhead benchmarking
• [S] #10939 - Add dev_getblockstats rpc
• [S] #11091 - Add benchmark-block command
• [S] #11170 - Change default execution strategies to wasm
• [S] #11164 - Sub-commands for benchmark
• [C] #1156 - Co #11164: sub-commands for benchmark

Runtime

• [S] #10896 - Minor uniques pallet improvements and xcm v3 preparations
• [S] #11037 - Contracts: stabilize seal_delegate_call
• [P] #4863 - Add child bounties to polkadot and kusama
• [P] #5000 - Lower kusama staking limits
• [P] #4809 - Update docs and enable dot-over-xcm
• [C] #1057 - Enable dot-over-xcm and lift asset creation restrictions
• [S] #10242 - Allow pallet error enum variants to contain fields
• [S] #11014 - Improve bounties and child bounties deposit logic
• [S] #10988 - Add a bounded fallback on failed elections
• [S] #10933 - Contracts: add seal_code_hash and seal_own_code_hash to…
• [P] #5173 Low - Migrate slot depositors in crowdloan migration
• [S] #10808 - Add limit to tranasctional layers
• [P] #5227 - Custom slots migration for fund index change
• [C] #1169 - Deny using relay chain for reserve transfers [✉️ XCM]

Misc

There are other misc. changes. You can expand the list below to view them all.

Other misc. changes

• [S] #10896 - Minor uniques pallet improvements and xcm v3 preparations
• [P] #5016 - Improve parachain liveness by reducing required number of ba…
• [S] #10997 - Make bags-list generic over node value and instantiable
• [S] #11004 - Additional benchmark-storage flags
• [S] #11037 - Contracts: stabilize seal_delegate_call
• [P] #4863 - Add child bounties to polkadot and kusama
• [S] #10977 - Add execution overhead benchmarking
• [P] #5150 Low - Have some lenience on outdated messages in statement distrib…
• [S] #10939 - Add dev_getblockstats rpc
• [P] #5000 - Lower kusama staking limits
• [P] #5182 Low - Enable disputes on all chains
• [P] #4809 - Update docs and enable dot-over-xcm
• [C] #1057 - Enable dot-over-xcm and lift asset creation restrictions
• [S] #10242 - Allow pallet error enum variants to contain fields
• [S] #11091 - Add benchmark-block command
• [S] #11014 - Improve bounties and child bounties deposit logic
• [S] #10988 - Add a bounded fallback on failed elections
• [S] #10933 - Contracts: add seal_code_hash and seal_own_code_hash to…
• [P] #5173 Low - Migrate slot depositors in crowdloan migration
• [P] #5224 - Integrate benchmark-block
• [P] #5137 - Integrate benchmark-overhead command
• [S] #10808 - Add limit to tranasctional layers
• [S] #11156 - Fix storage layer limit
• [C] #1133 - Bump tx version due to substrate 10896
• [S] #11170 - Change default execution strategies to wasm
• [S] #10785 - Apply weighttofeepolynomials to `pallet_transaction_paymen…
• [P] #5227 - Custom slots migration for fund index change
• [S] #11164 - Sub-commands for benchmark
• [P] #5247 - Co #11164: sub-commands for benchmark
• [C] #1156 - Co #11164: sub-commands for benchmark
• [C] #1172 - Co #11198: expose benchmark machine command
• [C] #1169 - Deny using relay chain for reserve transfers [✉️ XCM]