Polkadot Release Analysis v0.9.41 + v0.9.42

Appendix for Polkadot Release Analysis v0.9.41 + v0.9.42:

Potentially, the substrate builders will face some issues with the node’s service (service.rs) when upgrading to this release. Here is the list of changes to be taken into account:

KeyStore overhaul

Replacement of SyncCryptoStorePtr to KeystorePtr.

Please follow the changes performed on this PR:

Rename of AppKey to AppCrypto

Extract syncing protocol from sc-network

General context: Extract syncing protocol from `sc-network` by altonen · Pull Request #12828 · paritytech/substrate · GitHub

The links listed above redirects to the changes applied on the parachain template. These can be taken as a reference for the update.

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