Aptos node 1.49.1 makes Block-STM v2 the default executor
The hotfix release also bumps the gas schedule to version 49, decouples the encryption round from the consensus round and excludes retryable encrypted transactions from execution.
Altcoins
Robonomics wants ESP32 sensors to sign Polkadot transactions on their own
The parachain's design turns runtime metadata into generated C code at build time and fingerprints each firmware's calls, so a runtime upgrade shows which devices still work. Most of it is not yet written.
Sui mainnet 1.80.1 brings protocol 137 and a pull-based consensus pool
Cheaper range proofs, a gas change for constant-heavy Move code, earlier rejection of malformed transactions, and an opt-in pool that lets consensus pull transactions by gas price.
Zebra 6.4.2 fixes a remote crash and withdraws the two releases before it
The Zcash node's 6.4.0 and 6.4.1 binaries and images are pulled over a malformed-V6-transaction denial of service, two days after 6.4.0 shortened the support window ahead of NU7.
Kusama's new governance coordinator asks what the network is actually for
Referendum #498 made Kusama an experiment-focused peer of Polkadot. The open questions are where it runs, who secures it, and whether the Vision Programme should be capped at two years.
Avalanche's Helicon upgrade set a hard mainnet deadline and moved every node to plugin version 46
The avalanchego release schedules Helicon activation for 11 AM ET on 22 September and states that all mainnet nodes must upgrade before it; the same release line carries Granite on Fuji.
Cosmovisor 1.7.3 exists only to ship the binaries 1.7.2 forgot
The previous release fixed a Go 1.26 build failure but published no prebuilt binaries for it.
A Polkadot forum proposal swaps re-execution for proof checking
WonderZK would move heavy execution and proving off the validator set. It is one person's design, posted with a call for collaborators, not a project roadmap.
Avalanche activated Helicon on mainnet with six proposals at once
The upgrade went live at 11 AM ET on 22 September, bringing C-Chain async execution, auto-renewed staking, a higher uptime requirement, a shorter minimum stake, a dynamic gas floor and a lower consumption rate.
A Kusama audit referendum returns after being voted down on day one
The Kusama Shield privacy project resubmitted its audit funding request with retroactive funding removed, CI updated and a broken Solidity function patched.