Polkadot v1.2.0

This release contains the changes from polkadot-v1.1.0 to polkadot-v1.2.0.

Rust compiler versions

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

Rust Stable: rustc 1.70.0 (90c541806 2023-05-31)
Rust Nightly: rustc 1.71.0-nightly (8b4b20836 2023-05-22)

Runtimes

Westend

🏋️ Runtime size:             1.387 MB (1,454,255 bytes)
🗜 Compressed:               Yes, 79.32%
✨ Reserved meta:            OK - [6D, 65, 74, 61]
🎁 Metadata version:         V14
🔥 Core version:             westend-102000 (parity-westend-0.tx23.au2)
🗳️ system.setCode hash:      0x58359d263826dc6332c718e00496f210a99a0c03f9cd686d6cb4abc8514f16eb
🗳️ authorizeUpgrade hash:    0xdc4ed9c3b8ae89e82aaa863c26dc696d5b6b05f594f1c3e0124fb1b763fa5767
🗳️ Blake2-256 hash:          0x00d4b588ae36b2af6364aa77b07247e77f567f2dbd4a1fd1aa89bf76c544c850
📦 IPFS:                     https://www.ipfs.io/ipfs/QmYMkV6D11Rstpc8vLai33mg7vzbNxZU39yJSVk1GoBTvJ

Rococo

🏋️ Runtime size:             1.383 MB (1,449,992 bytes)
🗜 Compressed:               Yes, 79.82%
✨ Reserved meta:            OK - [6D, 65, 74, 61]
🎁 Metadata version:         V14
🔥 Core version:             rococo-102000 (parity-rococo-v2.0-0.tx23.au0)
🗳️ system.setCode hash:      0x46a9785335a3638728572364ace72acdf4cf9a929362b51b4686bed9049e50f4
🗳️ authorizeUpgrade hash:    0x8930eba7ce43f897e583ce534c010561cd0ee14cad1fe078c7e0cc95c67fd720
🗳️ Blake2-256 hash:          0xc35b645e975ce356e4ff36a0342344142826130a18ac76ef5edee88aa6a52fb3
📦 IPFS:                     https://www.ipfs.io/ipfs/Qmb1sVoQBA3AKRLZCm2xDrK2sv3oqRxJugpvSWzqbkbCbi

Changes

Node & Polkadot

• Make the node version independent of the crate version (@bkchr #1495) [Node]
• wasm-builder: Disable building when running on docs.rs (@bkchr #1540) [Node]
• Report tracing_unbounded channel size to prometheus (@dmitry-markin #1489) [Node]
• Introduce default-members to the workspace root (@s0me0ne-unkn0wn #1420) [Node]
• Allow to broadcast network messages in parallel (@vstakhov #1409) [Node]
• Executor: Remove LegacyInstanceReuse strategy (@yjhmelody #1486) [Node]
• Use 'into_inner' for WeakBoundedVec (@davxy #1664) [Node]
• Allow justifications on non-finalized blocks (@nazar-pc #1211) [Node]
• Fix the wasm runtime substitute caching bug (@rimbi #1416) [Node]
• Disable runtime logging for benchmarks (@ggwpez #1463) [Node]
• Refactor availability-recovery strategies (@alindima #1457) [Node]
• Bandersnatch tweaks after backend update (@davxy #1482) [Node]
• BlockId removal: tx-pool refactor (@michalkucharczyk #1678) [Node]
• fix: export-genesis-state command (@Moliholy #1521) [Node]
• Use sp_std Vec in no-std crate (@davxy #1471) [Node]
• Modular block request handler (@rahulksnv #1524) [Node]
• remove unused keystore_uri (@yjhmelody #1421) [Node]
• Revert #1409 partially (@vstakhov #1603) [Node]
• Babe epoch newtype (@davxy #1596) [Node]
• Remove deprecated pallet_balances's set_balance_deprecated and transfer dispatchables (@juangirini #1226) [Polkadot]
• Add Method to Establish HRMP Channels Among System Parachains (@joepetrowski #1473) [Polkadot]
• allow governance body on parachain to have sovereign account (@xlc #1291) [Polkadot]
• Remove redundant book keeping in dispute coordinator. (@eskimor #1432) [Polkadot]
• "Common good" vs "System" parachain clean up (@bkontur #1406) [Polkadot]
• Remove SafeCallFilter from Relay Runtimes (@ggwpez #1303) [Polkadot]
• Fix nothing scheduled on session boundary (@eskimor #1403) [Polkadot]
• Forgotten polkadot-core-primitives/std (@bkontur #1440) [Polkadot]
• Remove Polkadot & Kusama native runtime (@bkchr #1304) [Polkadot]
• Migrate polkadot-primitives to v6 & enable async backing on Rococo and Westend (@slumber #1543) [Polkadot]
• Disable Calls to Identity Pallet (@joepetrowski #1476) [Polkadot]
• Delete staking miner (@ggwpez #1480) [Polkadot]

Frame & Pallets

• Implements a variable deposit base calculation for EPM signed submissions (@gpestana #1547) [Frame]
• Associated type Hasher for QueryPreimage, StorePreimage and Bounded (@muraca #1720) [Frame]
• Add tolerance to nom pool pending rewards try-state (@liamaharon #1236) [Frame]
• Consideration (abstraction over storage deposits) (@gavofyork #1361) [Frame]
• asset-rate pallet: box asset kind parameter (@muharem #1545) [Frame]
• Include bitvec in std for Broker Pallet (@joepetrowski #1558) [Frame]
• Stabilize VersionedMigration (@liamaharon #1503) [Frame]
• pallet-beefy-mmr: better logging on BEEFY key to ETH address conversion (@acatangiu #1520) [Pallets]
• Staking: Add dest to Rewarded to aid in reward calculations (@rossbulat #1602) [Pallets]
• frame/beefy: add privileged call to reset BEEFY consensus (@acatangiu #1534) [Pallets]
• pallet epm: add TrimmingStatus to the mined solution (@niklasad1 #1659) [Pallets]
• Update HRMP pallet benchmarking to use benchmarks v2 (@seadanda #1676) [Pallets]
• FRAME: Revamp Preimage pallet to use Consideration (@gavofyork #1363) [Pallets]
• Preimage: Check that at least one is upgraded (@gavofyork #1648) [Pallets]
• Added xcmp_queue_send_xcm_works test (@bkontur #1422) [Pallets]
• contracts: Run start function (@athei #1367) [Pallets]

Tests, Benchmarks & Documentation

• zombienet: use another collator image for the slashing test (@ordian #1386) [Tests]
• pallet asset-conversion additional quote tests (@gilescope #1371) [Tests]
• add tests for find_potential_parents (@slumber #1338) [Tests]
• Inclusions struct unit tests (@Overkillus #1518) [Tests]
• Inclusion pruning tweaks (@Overkillus #1550) [Tests]
• Retire puppet workers (@s0me0ne-unkn0wn #1449) [Tests]
• Allow debug_assertions in short-benchmarks CI job (@seadanda #1711) [Benchmarks]
• Adds base benchmark for do_tick in broker pallet (@gupnik #1235) [Benchmarks]
• update genesis_config related docs and tests and error messages (@kianenigma #1642) [Documentation]
• Example pallet crate and Basic Example pallet (@sacha-l #1546) [Documentation]
• Fix minor typos and file name in contributing docs (@seadanda #1651) [Documentation]
• docs / Update PR template to reflect monorepo (@gilescope #1674) [Documentation]
• Timestamp pallet (@sacha-l #1435) [Documentation]
• RuntimeCode: doc fixed (@michalkucharczyk #1461) [Documentation]

XCM, Bridges & Misc

• xcm-builder: PayOverXcm supports fallible convertors for asset kind and beneficiary conversion (@muharem #1572) [XCM]
• [xcm_builder]: Do not consume msg on NotApplicable for remote exporters (@bkontur #1519) [XCM]
• Uncoupling pallet-xcm from frame-system's RuntimeCall (@arrudagates #1684) [XCM]
• XCM: Deprecate old functions (@gavofyork #1645) [XCM]
• Update bridges subtree (@serban300 #1392) [Bridges]
• genesis-builder: implemented for all runtimes (@michalkucharczyk #1492) [Runtime-API]
• archive: Fetch body, genesisHash and header (@lexnv #1560) [RPC]
• lookahead collator: read allowed ancestry len from relay client (@slumber #1180)
• chainHead/storage: Fix storage iteration using the query key (@lexnv #1665)

Parachains & Cumulus

• lookahead collator: only build on top of scheduled relay parents (@slumber #1429) [Cumulus]
• Replace free for all collation in cumulus runtimes (@georgepisaltu #1251) [Parachains]
• Handle CollationSeconded Logs Conditionally (@BradleyOlson64 #1475) [Parachains]
• Additional logging for dispute-coordinator (@tdimitrov #1494) [Parachains]
• Enable runtime-benchmarks feature for crates (@muharem #1544) [Cumulus]
• Fix code duplication in tests (@tdimitrov #1575) [Parachains]
• The Ambassador Program (@muharem #1308) [System-Parachains]