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@github-actions github-actions released this 15 Aug 12:57
· 36 commits to stable2407 since this release
polkadot-stable2407-1
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EgorPopelyaev Egor_P
GPG key ID: DB7D3555DD3932D3
Learn about vigilant mode.

This release contains the changes from polkadot-stable2407 to polkadot-stable2407-1.

ℹ️ Please note:

The tag corresponding to the current patch release polkadot-stable2407-1 and matching the old pattern will be available under polkadot-v1.15.1.

Changelog

Changelog for Node Dev

ℹ️ These changes are relevant to: Those who build around the client side code. Alternative client builders, SMOLDOT, those who consume RPCs. These are people who are oblivious to the runtime changes. They only care about the meta-protocol, not the protocol itself.

[#4937]: prospective-parachains rework: take II

Add back support for backing parachain forks. Once a candidate reaches the backing quorum, validators use a shared way of picking the winning fork to back on-chain. This was done in order to increase the likelihood that all backers will vote on the winning fork.
The functionality of backing unconnected candidates introduced by the previous rework is preserved.

[#5332]: fix availability-distribution Jaeger spans memory leak

Fixes a memory leak which caused the Jaeger span storage in availability-distribution to never be pruned and therefore increasing indefinitely.
This was caused by improper handling of finalized heads. More info in #5258

Changelog for Runtime Dev

ℹ️ These changes are relevant to: All of those who rely on the runtime. A parachain team that is using a pallet. A DApp that is using a pallet. These are people who care about the protocol (WASM, not the meta-protocol (client).)

[#5281]: PoV-Reclaim - Set BlockWeight to node-side PoV size if mismatch is detected

After this change, the StorageWeightReclaim SignedExtension will check the node-side PoV size after every extrinsic. If we detect a case where the returned proof size is higher than the BlockWeight value of the runtime, we set BlockWeight to the size returned from the node.

[#5367]: Fixes std leaking into the WASM runtime build

Fixes std leaking into the WASM runtime build when updating serde_json.

[#5273]: Fix storage weight reclaim bug.

A bug in storage weight reclaim signed extension is fixed. The bug was causing an underestimate of the proof size when the post dispatch info was underestimating the proof size and the pre dispatch info was overestimating the proof size at the same time.

Changelog for Node Operator

ℹ️ These changes are relevant to: Those who don't write any code and only run code.

[#5247]: Prepare PVFs if node is a validator in the next session

  • On every active leaf candidate-validation subsystem checks if the node is the next session authority.
  • If it is, it fetches backed candidates and prepares unknown PVFs.
  • Number of PVF preparations per block is limited to not overload subsystem.

Rust compiler versions

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

  • Rust Stable: "1.77.0"

Docker images

The docker images for the polkadot node binary and the polkadot-parachain binary can be found at Docker hub (will be available a few minutes after the release has been published):

You may also pull it with:

docker pull parity/polkadot:stable2407-1

or

docker pull parity/polkadot-parachain:stable2407-1
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