monthly-2022-04

Automatic snapshot pre-release monthly-2022-04

Changes since last snapshot (monthly-2022-03)

Substrate changes

Runtime

• Minor Uniques pallet improvements and XCM v3 preparations (paritytech#10896)
• Bring back MaxNominations as a metadata constant (paritytech#10947)
• Upgrading parity-scale-codec to v3 (paritytech#10825)
• contracts: Allow stack height metering to be disabled (paritytech#10877)
• Measure per byte and not kb for certain benchmarks (paritytech#10863)

Client

• Deprecate "paritydb-experimental" CLI in favour or "paritydb" (paritytech#10975)
• Refactored block body database scheme (paritytech#10779)
• Storage benchmarking (paritytech#10897)
• Mark sync_state_genSyncSpec JSON-RPC as safe (paritytech#10832)

API

• [contracts] Stabilize "seal0" is_contract and caller_is_origin (paritytech#10971)