Release Notes

Features

• track RecordFileItem and log proof types in SimulatedBlockNodeServer #24946 by @aderevets
• 24988: Remove unused benchmarks from swirlds-benchmarks #24989 by @thenswan
• Rewrite how the consensus nodes reconnect to block nodes #24633 by @timfn-hg
• 24698 Use PBJ protocol in reconnect serialization #24899 by @imalygin
• Use DataFileCollection store name for compaction logging #24974 by @akugal
• 24903: Clarify virtual map sizing across swirlds-benchmarks #24938 by @thenswan
• 24886: Improve the way of running swirlds-benchmarks #24901 by @thenswan
• add index cross-check to LeafBytesIntegrityValidator #24753 by @Suvrat1629
• 24861: Improve reusing the generated state in the ReconnectBench JMH test #24862 by @thenswan
• Enable profiling on sloth #24801 by @mxtartaglia-sl
• add only GRPC support in test-clients #24364 by @petreze
• Initialize Hints and History states in schemas #24674 by @derektriley
• Dynamic resource allocation gradle tasks in test clients #24752 by @AlexKehayov
• pcli tool for transforming csv into prometheus format #24694 by @mxtartaglia-sl
• make BlockNodeEndpoint.endpoint_api a repeated field (HIP-1137) #24685 by @petreze
• BN Communication tracing through gRPC headers #24670 by @derektriley
• MerkleDB compaction V3 #24003 by @imalygin
• sloth transaction latency metric #24646 by @lpetrovic05
• Add in-flight tasks count for concurrent components #24469 by @mxtartaglia-sl
• csvOverwrite option #24509 by @mxtartaglia-sl
• Add getEntries() method to ParsedBucket #24438 by @Suvrat1629
• Enable broadcast #24616 by @abies
• 24615: Revisit logging approach in swirlds-benchmarks #24634 by @thenswan
• 24213 - Improve caching for hash chunk preload during reconnects #24466 by @akugal
• Add HIP-1340 protobuf changes #24176 by @lukasz-hashgraph
• Pull jumpstart data from config properties #24269 by @mhess-swl
• Add graph related metrics #24490 by @lpetrovic05
• SMART_CONTRACT tag speed-up and improvements 23528 #24040 by @Grigorov-Georgi
• Add noop pces #24449 by @mxtartaglia-sl

Bug Fixes

• 25412: (0.74) MerkleDb directory leak in temp #25413 by @artemananiev
• Disable broadcast in gossip #25422 by @abies
• mark test as leaky #25012 by @petreze
• use correct method for the CountDownLatch in a test #24997 by @petreze
• retry on all unavailable grpc errors #24992 by @petreze
• Fix flaky OS Health check #24972 by @poulok
• charge for invalid token IDs #24923 by @joshmarinacci
• 24802 Disable EVM hook count validation for TestNet #24948 by @imalygin
• increase stream assertion timeout #24959 by @petreze
• 24956: Fix IndexOutOfBoundsException in KeyValueStoreBench #24957 by @thenswan
• 24952 Added missing BlockRecordStreamConfig to ConfigurationBuilder #24954 by @imalygin
• add specific sidecar validation #24887 by @petreze
• Fix bug in flaky test detection when using cached test results #24949 by @poulok
• gradle test task failing and yahcli tests in CI #24898 by @derektriley
• Fix flaky Turtle Log test #24895 by @poulok
• 24802 Disable EVM hook count validation for PreviewNet and TestNet #24894 by @imalygin
• Fixed ContractServiceQueriesSimpleFeesTest suite to prevent flakyness #24704 by @Evdokia-Georgieva
• batchContainingFreezeTransactions and nonBlacklistedAndBlacklistedTransactions tests flake in AtomicBatchNegativeTest #24807 by @Evdokia-Georgieva
• prevent duplicate item delivery in VisibleItemsAssertion #24849 by @AlexKehayov
• Stabilize rejectNegativeGas tests by deterministically exhausting gas throttle #24809 by @Evdokia-Georgieva
• use already established timeout for restart to active #24848 by @petreze
• add retry logic with fresh port #24837 by @petreze
• increase polling time #24845 by @petreze
• 24569 Added new LongList implementation - LongListSegment #24695 by @imalygin
• 24826 Clean up TreeView related classes and methods #24827 by @imalygin
• 24802 Disable EVM hook count validation for PreviewNet and TestNet #24817 by @imalygin
• fix flaky key rotation and other improvements #24811 by @petreze
• fix flaky balance check #24810 by @petreze
• 24799 Fixed handling null array of ImmutableIndexedObjectListUsingArray #24800 by @imalygin
• Forbid colon in metric names. #24789 by @akugal
• Wrap hashed keys from mapping-entry HookStores in minimalKey() #24733 by @tinker-michaelj
• Use sentinel Schnorr key for missing publications #24481 by @tinker-michaelj
• Change the included submit message bytes from 1024 to 100 #24505 by @joshmarinacci
• use method-scoped token in cancel airdrop negative test #24754 by @petreze
• guard getTxnRecord calls against missing txn IDs #24755 by @petreze
• Add null check for owner account in CryptoDeleteAllowanceHandler #24463 by @JivkoKelchev
• fixed 24716 of incomplete regexp #24723 by @alex-kuzmin-hg
• Jumpstart voting initialization fixes #24701 by @mhess-swl
• In case of tipset index corruption, fallback to weight advancement schema #24620 by @abies
• require PUBLISH API on BlockNodeEndpoint for reward eligibility #24593 by @viniciusjssouza
• prevent premature validation in VisibleItemsAssertion #24460 by @AlexKehayov
• fix the proof signing on recovered blocks after restart/upgrade #24406 by @petreze
• 24640: Reduce Hash object allocations in VirtualHasher #24641 by @artemananiev
• truncate oversized memos in test framework log output #24621 by @petreze
• throw error if missing extra #24580 by @joshmarinacci
• Add missing test-clients logs in subprocess network #24572 by @ibankov
• 24456: Improve PULL / top to bottom reconnects #24477 by @artemananiev
• prevent concurrent block buffer persists from racing #24488 by @AlexKehayov
• Close hasher in tests #24587
• Sync voting completion to record manager #24566 by @mhess-swl
• 24402: fix DataFileCollectionBench #24408 by @thenswan
• 24399: Wrong benchmarkName() in HalfDiskMapBench #24401 by @thenswan
• increase sleep buffer in quiescence tests to prevent flakes #24404 by @AlexKehayov
• 24334: Fix @setup and @teardown methods ordering issue in swirlds-benchmarks #24397 by @thenswan
• 24435 Fixed cache-cleaner thread leak #24452 by @imalygin

Other Changes

Build System

• Always run hapi test tasks #24668 by @mhess-swl

Chores

• (0.74) Update Mainnet throttles for CryptoGetAccountBalanceQuery #25515 by @Neeharika-Sompalli
• cherry-pick ThrottleAccumulator ContractID getAssociationCount #25419 by @derektriley
• (0.74) Disable hooks by default #25414 by @tinker-michaelj
• (0.74) Update Mainnet throttles for CryptoGetAccountBalance queries #25399 by @Neeharika-Sompalli
• cherry-pick: Reduce noisy logs in the bn connection monitor #25315 by @derektriley
• Fix MATS failure in hapiTestRestart #25314 by @derektriley
• Update default BlockStreamConfig for WRB #25236 by @derektriley
• Fix lastUsedTime init #24933 by @tinker-michaelj
• Update CODEOWNERS for gradle files #24963 by @rbarker-dev
• Use ECRECOVER reference for Ed25519 verification in isAuthorized() #24935 by @tinker-michaelj
• add polling log checks #24881 by @petreze
• Remove GUI dependency #24939 by @poulok
• Vote for WRAPS proof by validity, not equality #24667 by @tinker-michaelj
• Change log level in WrappedRecordFileBlockHashesDiskWriter #24942 by @derektriley
• BlockRecordService schema for migration voting initialization #24864 by @derektriley
• 24911 Removed support of old sigSet binary file #24918 by @imalygin
• Move generate key utility method to consensus-utility #24865 by @poulok
• 24890 Compaction logging and file naming improvements #24892 by @imalygin
• Minor Version Roll to 0.74.0-SNAPSHOT
• GRPC only in ci - coverage followup #24847 by @petreze
• 24697 Removed support of PUSH reconnect mode #24770 by @imalygin
• Remove loadKeysFromPfxFiles config #23535 by @poulok
• Add AI Helpers #24761 by @rbarker-dev
• Update rollback charging for inner EthTx #24643 by @tinker-michaelj
• Remove unused stream extensions and simplify counting stream #24338 by @netopyr
• Flaky test handling #24031 by @netopyr
• Add HINTS_PREPROCESSING_VOTE to 6kb exempt list #24666 by @tinker-michaelj
• Add hinTS construction detail logging #24609 by @tinker-michaelj
• refactoring after XTS speedup changes #24622 by @AlexKehayov
• Update pbj plugin version to 0.14.4 #24589 by @derektriley
• Remove log statement from BlockRecordManagerImpl #24584 by @derektriley
• temporary disable quiesceAndThenRestartMixedOps #24578 by @AlexKehayov
• Add BlockNumber to transaction_receipt #24208 by @Neeharika-Sompalli
• restore quiet CI logging for embedded/repeatable HAPI tasks #24492 by @ibankov
• Simplify TlsFactory #24316 by @netopyr

Continuous Integration

• explictly declare java 25.0.2 #25529 by @andrewb1269
• Infrastructure failure detection #23996 by @poulok
• remove spotless field from MATS workflows #24910 by @andrewb1269
• upload failure artifacts on flaky otter tests #24908 by @andrewb1269
• create auto unapprove pr workflow #24874 by @andrewb1269
• Update MATS so spotless runs before build. #24860 by @rbarker-dev
• add prepare solo step timeout to avoid longer hanging #24838 by @PavelSBorisov
• update otter flaky test upload artifacts #24857 by @andrewb1269
• Update solo install source to hiero-ledger #24813 by @rbarker-dev
• add publishing to flaky otter tests #24771 by @andrewb1269
• add check to skip flaky test processing on draft PRs #24713 by @andrewb1269
• Update HAPI Tests (bn-comms) runner #24606 by @rbarker-dev
• update sizes of HAPI test runners #24596 by @andrewb1269

Documentation Updates

• Fixed typo for HTS smart contract address #23784 by @diogper
• Add flaky-test plugin document #24581 by @poulok

Performance Improvements

• faster getCodeSize #24832 by @cliffclick
• Bonneville #23617 by @cliffclick

Refactoring

• 24917: Clean up testDir in swirlds-benchmarks #24922 by @thenswan
• Last reviewer comments... #24732 by @cliffclick
• Remove ValidationAssertions and inline validation logic #24525 by @Suvrat1629
• 24409: centralize VirtualMap population logic in StateBuilder for benchmarks #24419 by @thenswan
• 24421: Optimize ReconnectBench by reusing teacher map across invocations #24422 by @thenswan

Tests

• fix latency measurement in NLG #25191 by @alex-kuzmin-hg
• Schedule Service with simple fees tests added #24702 by @Evdokia-Georgieva
• FeeChargingUtils related refactoring of Simple Fees tests #24960 by @Evdokia-Georgieva
• fix Node Death reconnect test #24979 by @derektriley
• Adjusted SDPT/MQPT baseline values #24193 #24950 by @alex-kuzmin-hg
• Consensus Service simple fees tests refactor #24672 by @Evdokia-Georgieva
• TokenFeeScheduleUpdate tests with Simple Fees #24835 by @Evdokia-Georgieva
• cover extended cases for high-volume entity creation #24850 by @diogper
• Smart Contracts service with simple fees tests added #24763 by @Evdokia-Georgieva
• Try to re-order SC and HeliSwap (24746) #24747 by @alex-kuzmin-hg
• Token Update and Short-prefixes Token operations with simple fees tests refactor #24624 by @Evdokia-Georgieva
• 24223 Reconnect and Validator after SDLT #24385 by @alex-kuzmin-hg
• Token Burn and Mint with simple fees tests refactored #24493 by @Evdokia-Georgieva
• Token Create and Delete with simple fees tests refactor #24489 by @Evdokia-Georgieva
• Token KYC, Pause and Wipe simple fees tests refactor #24579 by @Evdokia-Georgieva
• Re-enable event hash block stream validators with PCES-based stale event handling #24504 by @aderevets
• Token Freeze and Unfreeze simple fees tests refactor #24523 by @Evdokia-Georgieva
• Token associate and dissociate simple fees tests refactored #24459 by @Evdokia-Georgieva
• Crypto service simple fees tests refactor #24424 by @Evdokia-Georgieva