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Polkadot v0.9.20
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@github-actions github-actions released this 04 May 14:14
v0.9.20
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This release contains the changes from v0.9.19 to v0.9.20.

Upgrade Priority

❗️ Medium: This is a medium priority release and you should upgrade in a timely manner.

The changes motivating this priority level are:

  • [P] #5164 ❗️ Medium - Reduce network bandwidth, improve parablock times: optimize …

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.

Runtime Migrations

No Runtime migration detected in this release.

Runtimes

The information about the runtimes included in this release can be found below.
The runtimes have been built using srtool v0.9.19 and rustc 1.57.0 (f1edd0429 2021-11-29).

Kusama

🏋️ Runtime Size:		1.26 MB (1326166 bytes)
🔥 Core Version:		kusama-9200 (parity-kusama-0.tx11.au2)
🗜 Compressed:			Yes: 80.98%
🎁 Metadata version:		V14
🗳️ system.setCode hash:		0x4a6baf1a8e29618fda342a2ef8aab3163f5547573d84ec559f7625426fba5852
🗳️ authorizeUpgrade hash:	0xb245095ad7202fbc4cc480e01f20e1782e637219593b1398f7f519dce3dfd1b0
#️⃣ Blake2-256 hash:		0xc9afd314fb9ef320a9d11bad5e421832a3a79b8aa7193efc9ef910a58b275ab4
📦 IPFS:			QmVTGZ99EgsJwzhFVfYCGi4mFzayYqucnoqZtEQAJfgE29

Polkadot

🏋️ Runtime Size:		1.19 MB (1244837 bytes)
🔥 Core Version:		polkadot-9200 (parity-polkadot-0.tx12.au0)
🗜 Compressed:			Yes: 80.84%
🎁 Metadata version:		V14
🗳️ system.setCode hash:		0xf94667fb9411092c1c0b2f157021ff871d92c60becfe8cd467a16e6d6ccf4a92
🗳️ authorizeUpgrade hash:	0xd9fe2fb18af05adea64f2b7f37ea1d6f6164cdffa17e7d06ef8098c38ee167a1
#️⃣ Blake2-256 hash:		0x97c9a3b6ba8d0cabb713519313e06edea544b2fb1399fee2338b81673bff70c5
📦 IPFS:			QmSG4GMb6Vhi4H6ouW796GR3CB8HdvChgeVnTdH6QSEZEk

Rococo

🏋️ Runtime Size:		968.74 KB (991987 bytes)
🔥 Core Version:		rococo-9200 (parity-rococo-v2.0-0.tx0.au0)
🗜 Compressed:			Yes: 81.23%
🎁 Metadata version:		V14
🗳️ system.setCode hash:		0x5be5813cbc9b1cb58ec0db5c45de348679a57d7d71679f96f5a87be341f715b6
🗳️ authorizeUpgrade hash:	0x554616eec22c9e352737fa61a17eabd7cfc67c2a96c59c8bfd21bb7a00c884ae
#️⃣ Blake2-256 hash:		0x25c0d84a97b34deaf2cb073d211f823adfa5155b793f0120276436963414cf35
📦 IPFS:			QmdKyRiU8Jm3YeNVc6xmz8tCdiTvULqprSHhXvhZ3zkCJH

Westend

🏋️ Runtime Size:		1.16 MB (1211796 bytes)
🔥 Core Version:		westend-9201 (parity-westend-0.tx11.au2)
🗜 Compressed:			Yes: 80.89%
🎁 Metadata version:		V14
🗳️ system.setCode hash:		0xa6281dc8984537e984b65fe34557821db920f90bd2ceac50cd50df31df1bd81e
🗳️ authorizeUpgrade hash:	0x52333606984c54154d6243c02778eb312b30703a99bc2b19cecf26ae48fd8af7
#️⃣ Blake2-256 hash:		0xda4fa8431710d94c3197a86232b29d9790dcad5cdf78b528ce1c92725ef529cc
📦 IPFS:			QmSY3sGp2aKUuGrfBQEy5nW4XuGrj4FgZFirB89Zkz62aK

Changes

Legend

  • [P] Polkadot
  • [S] Substrate

Client

  • [S] ✅ trivial #11062 Low - Add new hardware and software metrics
  • [S] ✅ trivial #11200 Low - Finality notification: optimize calculation of stale heads
  • [S] ✅ trivial #11198 Low - Add benchmark machine

Runtime

  • [S] ✅ trivial #11206 Low - Fix wasm block producer panic
  • [P] #4442 Low - Add xcm benchmarks to kusama
  • [S] ✅ trivial #10827 Low - Rb staking pallet validator commission change event
  • [P] ✅ trivial #5405 Low - Add nomination pools to westend runtime

Misc

  • [S] ✅ trivial #11062 Low - Add new hardware and software metrics
  • [S] ✅ trivial #11200 Low - Finality notification: optimize calculation of stale heads
  • [S] ✅ trivial #11206 Low - Fix wasm block producer panic
  • [P] #4442 Low - Add xcm benchmarks to kusama
  • [S] ✅ trivial #10827 Low - Rb staking pallet validator commission change event
  • [S] ✅ trivial #11198 Low - Add benchmark machine
  • [P] ✅ trivial #5326 Low - Co #11198: expose benchmark machine command
  • [P] #5164 ❗️ Medium - Reduce network bandwidth, improve parablock times: optimize …
  • [P] ✅ trivial #5405 Low - Add nomination pools to westend runtime
Assets 12