Voting is open for a new IC release - a939fed

Hello there!

we are happy to announce that voting is now open for a new IC release .
The NNS proposal is here: IC NNS Proposal 73959.

There are lots of exciting new features and bugfixes. Here is a more complete list of changes:

* Consensus: Check membership when verifying signatures in canister http pool manager
* Consensus: ECDSA pool improvements
* Consensus: Hard limit for Bitcoin network
* Consensus: Remove unused argument
* Crypto: Add sum-of-products operations for BLS12_381 G1
* Crypto: Avoid panic in impl Ord for Scalar
* Crypto: Convert NI-DKG Proof of Possession implementation away from MIRACL
* Crypto: Convert verify_ciphertext_integrity away from MIRACL
* Crypto: Fix bitrot in the tECDSA fuzzers
* Crypto: Fix risky panics in threshold code
* Crypto: Add ECC point negation for IDKG
* Crypto: Add EccPoint negate function for IDKG, tests and a seeded PRG function in test_utils
* Crypto: Improve error messages where CspSecretKey::algorithm_id() was called
* Execution: Bitcoin: Fix bug in `get_utxos` that returns spent UTXOs.
* Execution: Extract and store effective canister id from ingress
* Execution: Move max_number_of_canisters_pot from legacy to upgraded pot
* Execution: Scheduling subnet messages for DTS
* Execution: add `reference_subnet_size` for scaling the cycles cost
* Execution: add `subnet_size` to `canister_creation_fee`
* Message Routing: Allow rerouting back in case of migration rollback
* Message Routing: Available canister IDs metric
* Message Routing: Canister deletion respects canister migrations entry
* Message Routing: Runbooks for checkpoints/files accumulating on disk
* Message Routing: Switch canister ID generation to allocation ranges
* Networking: Add a new connection duration metric
* Networking: Change testing proxy canister interface
* Networking: Check for existing peer connection before we do the TLS handshake.
* Networking: Disable btc balance test
* Networking: Hold exclusive lock for on peer_map only when we add/remove peer. For connection state transition we don't need exclusive lock.
* Networking: Make spawn_(write|read)_task associated function and delete try_transition_to_connected
* Networking: Mixed workload documentation.
* Networking: Use tokio sync primitives
* Node: Limit traffic through `ic-canister-http-adapter`
* Orchestrator: Improve the probing for a non-functional subnet
* Orchestrator: proper validate replay
* Runtime: Allow to change compute allocation during install
* Runtime: Cache failed compilations
* Runtime: Compilation cost for failed compilations
* Runtime: Unify applying of execution and system state changes
* Runtime: Use 0 instructions when compilation fails
* Runtime: Use the unzipped module size for compilation cost
* Various tech-debt management: code refactoring, docs, bug fixes, test updates

And a complete list of changes can of course be found on GitHub.
Please reply to this message if you have any questions or comments.


Hello everyone!

As in the past three weeks there is a proposal out to elect a new IC replica release which enables replicas to run the Crypto Service Provider (CSP) into a separate process. To make sure this change does not affect the availability of the IC or introduce any regressions, the plan is to roll out this change to the subnets over the course of a few release cycles. Since the last weeks’ releases were successful we aim to propose rolling it out to more subnets.

The proposal can found here.
Please do reach out if you have any questions about it.

All the best,

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