Release Polkadot v0.9.9 · paritytech/polkadot

Upgrade priority: Low (upgrade at your convenience)
Native runtimes:

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

WASM runtimes built with srtool using rustc 1.53.0 (53cb7b09b 2021-06-17).

Proposal hashes:

polkadot_runtime-v9090.compact.wasm - 0x6f7f0451388d9053db17c61c67678fdd0d775f9c74dc46ebea565ad0cd52bd6e
kusama_runtime-v9090.compact.wasm - 0xbbf79c491f68ae53ed7236015cb687085fcb340e79961b9ee007b1ae35ea4d15

Changes

Move client consensus parts out of primitives and into client/consensus/api (paritytech/substrate#9319)
Limit the maximum number of wasm memory pages a runtime can have (paritytech/substrate#9308)
Do not call initialize_block before any runtime api (paritytech/substrate#8953)

✅ trivial Avoid bad pattern of wildcard fees (#3578)
✅ not live Enable over-bridge-messaging in Rococo/Wococo runtime (#3377)
✅ audited Introduce upgrade go-ahead and upgrade restriction signals (#3371)
✅ not live Staking Miner (#3141)
✅ trivial Add some important events to batch & staking to ensure ease of analysis (paritytech/substrate#9462)
✅ audited Improve call, and usage in pallet utility (paritytech/substrate#9418)
✅ audited use can_dec_provider to check when transfer allow death (paritytech/substrate#9411)
✅ not live Refactor Benchmarks for Less Wasm Memory Usage (paritytech/substrate#9373)
✅ audited pallet-collective: Do not vote aye with propose (paritytech/substrate#9323)
✅ trivial include dispatch result in the Executed event (paritytech/substrate#9315)
✅ not live contracts: Allow contracts to dispatch calls into the runtime (paritytech/substrate#9276)
✅ trivial Move PalletVersion away from the crate version (paritytech/substrate#9165)
✅ not live Include StorageInfo in Benchmarking Pipeline (paritytech/substrate#9090)