Mainnet 23

This release includes the following major changes,

• Upgrades to Consensus follower, making it more Byzantine Fault Tolerant (BFT)
• Adding Cadence Compact Format (CCF) as an option for encoding Cadence values.
• Event Streaming API implementation as per this FLIP
• Several updates taking Flow closer to supporting parallel transaction execution
• Further improving the FVM smart cache validation introduced in the last height coordinated upgrade.
• Adding support for the service event-based height-coordinated upgrade.
• Several improvements to the networking layer to make it more resilient to routing attacks.
• Update block time controller to provide higher precision with epoch timings and block production rate.
• Update to Cadence v0.39.3

💥 No Breaking Changes

Access

• Do not copy protobuf messages by @SaveTheRbtz in #3790
• Add BlockStatus to GetBlock REST API by @lolpuddle in #3805
• Fix panic converting execution data to protobuf messages by @peterargue in #3887
• Improve Access API error reporting for results from ENs by @peterargue in #3915
• Add REST API metrics middleware by @diaswrd in #3691
• Export MessageToTrieUpdate converter method by @peterargue in #3897
• Improve api error handling by @peterargue in #3988
• Set message received limits by @peterargue in #3857
• Refactor uploader into separate module by @peterargue in #3676
• Add read leaf nodes from checkpoint file for Archive node use by @koko1123 in #4040
• fix storage by @smnzhu in #3064
• Fix printing trie hash by @zhangchiqing in #3926
• Backport event streaming, enabling exec sync by default by @peterargue in #4188
• Leo/v0.30 add archive address flag by @zhangchiqing in #4222
• Fix execution data cache in state stream - v0.30 backport by @peterargue in #4228
• Fix archive address list flag by @zhangchiqing in #4239
• Enable execution sync by default by @peterargue in #4159
• Add streaming API for BlockExecutionData by @peterargue in #3723
• Fix execution data cache in state stream api by @peterargue in #4197
• Add latest block Height and ID to api responses by @Guitarheroua in #4191
• Integration test for signer indices by @Guitarheroua in #4261
• Add API that return node information such as version, commit, spork Id and protocol version. by @Guitarheroua in #4235
• Added collection_id and block_id to GetTransactionResult arguments by @Guitarheroua in #4263
• Fixed REST API metrics by @Guitarheroua in #4288
• Add response rate limit to streaming endpoints by @peterargue in #4218
• Skip root block when streaming from execution data by @peterargue in #4271
• Update REST get events to return empty BlockEvents for blocks with no events by @peterargue in #4368
• Add metric for highest consecutive height with all collections indexed by @peterargue in #4391
• Implement conversion functions for CCF by @koko1123 in #4415
• disable access rest api metrics by @zhangchiqing in #4453
• revert Chunk structure to maintain consistent hashes by @koko1123 in #4351
• refactor logProgress by @zhangchiqing in #4168
• Fix read leaf nodes by @zhangchiqing in #4212
• add archive address flag by @zhangchiqing in #4199
• fix get tx by @koko1123 in #4458
• Fix AN event decoding in GetTransactionResultsByBlockID by @peterargue in #4462
• Include fix for system tx as well by @Kay-Zee in #4465

BFT

• Reporting basic consensus protocol violations by @durkmurder in #4174
• Compliance engine requires config by @durkmurder in #4372

BFTTesting

• Khalil/3590 libp2psig verification test by @kc1116 in #3689
• fixes CI failure on PR 3564 by @yhassanzadeh13 in #3794
• Gossipsub spam test Framework - IHAVE by @gomisha in #3564

Benchmark

• Prevent PID windup at start by @SaveTheRbtz in #3759
• Support multiple keys by @SaveTheRbtz in #3641
• Match log-level w/ production by @SaveTheRbtz in #3780
• Parameterize docker registry url by @gomisha in #3998
• Update benchnet2 automation by @haroldsphinx in #4057
• Update BN2 automation by @sjonpaulbrown in #4115
• Update BN2 creation, deletion CI workflows by @gomisha in #4177

CI/CD

• Add github action to build boot-tools on demand by @peterargue in #3787
• Remove --ssh flag from docker build for util by @peterargue in #3798
• Update ci.yml retry reference nick-invision => nick-fields by @gomisha in #3919
• Add workflow to build individual docker images by @peterargue in #4065
• Only run jobs for selected roles by @peterargue in #4075
• Add retry mechanism to integration tests by @gomisha in #3989
• Remove unnecessary tagging from Makfile by @sjonpaulbrown in #4194
• Enable builds using private repos by @peterargue in #4223

Crypto

• KeyGen improvement by @tarakby in #3788
• Pairing edge case by @tarakby in #3977
• Update math/rand usage in crypto module and improve randomness tests by @tarakby in #4111
• New utils/rand package for non-deterministic true randomness by @tarakby in #4062
• improve usafeRandom and update math/rand in FVM by @tarakby in #4067
• Crypto: code improvement by @tarakby in #3760
• optimize CI tests by @tarakby in #4055
• Update flow go crypto version by @tarakby in #3441
• Update Relic Version by @tarakby in #4113

Randomness

• update math/rand usage in ledger by @tarakby in #4112
• update math/rand usage in /consenus and /engine by @tarakby in #4258
• update math/rand usage in /cmd/bootstrap by @tarakby in #4362

Engine

• Move weight check out of common provider engine by @peterargue in #3923

Execution

Refactoring to enable concurrent Transaction execution

• Fix/simplify value store span attribute setup by @pattyshack in #3738
• Simplify setting transaction procedure result values by @pattyshack in #3740
• Improve verification test's error message by @pattyshack in #3752
• Simplify chunk verifier api by @pattyshack in #3753
• Refactor environment.Tracer into a separate module. by @pattyshack in #3749
• Improve transaction verifier clarity by @pattyshack in #3771
• Set transaction procedure's trace span via context by @pattyshack in #3766
• Improve error code search. by @pattyshack in #3776
• Simplify Start Entity Span. by @pattyshack in #3786
• Remove RecordSpanFromParent from general tracing api by @pattyshack in #3791
• Define vm interface in fvm instead of computer by @pattyshack in #3796
• Pre-populate []transactions into collectionItem by @pattyshack in #3804
• refactor chunk object initialization into flow model by @pattyshack in #3811
• Change RegisterUpdates's return type by @pattyshack in #3797
• remove RegisterIDToKey & RegisterValuesToValues from execution state by @pattyshack in #3821
• Don't recompute txn id inside fvm by @pattyshack in #3819
• Simplify block computer tracing by @pattyshack in #3793
• Remove dead code by @pattyshack in #3827
• Update view's register ids apis. by @pattyshack in #3820
• Convert service event as part of fvm execution by @pattyshack in #3829
• remove MarshalJSON/UnmarshalJSON from delta by @pattyshack in #3847
• Remove Touch/Delete from view interface. by @pattyshack in #3842
• Refactor meter/interaction limits control by @pattyshack in #3845
• Improve computation result pipelining. by @pattyshack in #3840
• Remove UpdatedAddresses from fvm State by @pattyshack in #3853
• Replace meter.StorageInteractionKey with flow.RegisterID by @pattyshack in #3866
• Use RegisterId instead of (owner, key)-tuple as key for accessing register values by @pattyshack in #3867
• Remove dead emulator code by @pattyshack in #3876
• Use RegisterID instead of (owner, key)-tuple for accessing accounts by @pattyshack in #3882
• s/runtime.Address/common.Address by @pattyshack in #3885
• Use RegisterID instead of (owner, key)-tuple for views by @pattyshack in #3883
• Initialize register ids with flow.NewRegsiterId instead of flow.RegisterID{...} by @pattyshack in #3890
• Ensure NewRegisterID initialize 8 byte owners by @pattyshack in #3900
• Simplify SaveExecutionResults arguments by @pattyshack in #3913
• Parallelize saving and uploading computation result. by @pattyshack in #3916
• Clean up access request's address usage by @pattyshack in #3907
• Change delta view to read from StorageSnapshot interface instead of readFunc by @pattyshack in #3933
• Clean up address usage (part 1 of many) by @pattyshack in #3912
• Generate block execution data / id as part of result collection by @pattyshack in #3927
• Generate execution result as part of block computation by @pattyshack in #3930
• Remove dead code by @pattyshack in #3951
• Amortize derived data validation cost by @pattyshack in #3945
• Make ComputeBlock idempotent by @pattyshack in #3944
• Move StorageSnapshot from execution/state/delta to fvm/state by @pattyshack in #3963
• Fix derived transaction to support out-of-ordered validation by @pattyshack in #3966
• change simple view to use delta view internally by @pattyshack in #3964
• Cleanup account freezer address usage by @pattyshack in #3973
• Combine TransactionState & DerivedTransactionData into a single interface by @pattyshack in #3962
• Generate execution receipt as part of block computation by @pattyshack in #3956
• Clean system contracts address usage by @pattyshack in #3974
• Change View merging to operate on execution snapshot by @pattyshack in #3975
• Clean up verification fixture's computation result usage by @pattyshack in #4000
• Remove Proofs/ConvertedServiceEvents from computation result by @pattyshack in #4001
• Replace RemoteView with delta.View by @pattyshack in #4008
• Refactor fvm/utils/cadenceValues.go by @pattyshack in #3992
• Refactor fvm procedure output into a struct by @pattyshack in #4012
• Clean up more address usages by @pattyshack in #3991
• Decouple transaction execution from result collection by @pattyshack in #4018
• Add RunV2 to fvm VirtualMachine by @pattyshack in #4026
• Remove SimpleView + fix account reporter data race by @pattyshack in #4033
• Remove StateCommitments from ComputationResult by @pattyshack in #4046
• Compute/report execution stats inside result collector by @pattyshack in #4041
• Rename some address variables by @pattyshack in #4045
• Replace ExecutionSnapshot interface with concrete implementation by @pattyshack in #4007
• make LedgerStorageSnapshot's readCache thread safe by @pattyshack in #4047
• update vm.Run calls to vm.RunV2 (part 1 of many) by @pattyshack in #4048
• Update fvm GetAccount to use StorageSnapshot as input by @pattyshack in #4064
• Update fvm signature test to use vm.RunV2 by @pattyshack in #4073
• Replace View with SnapshotTree as storage representation by @pattyshack in #4054
• Add a simplified script environment constructor for emulator by @pattyshack in #4083
• Remove derived block/txn data from (most) tests by @pattyshack in #4066
• Update accounts test to use vm.RunV2 by @pattyshack in #4071
• Update fvm blockcontext test to use vm.RunV2 by @pattyshack in #4080
• Switch non-fvm use cases to NewScriptEnvironmentFromStorageSnapshot by @pattyshack in #4090
• Update fvm fuzz test to use vm.RunV2 by @pattyshack in #4081
• Update fvm test to use vm.RunV2 by @pattyshack in #4082
• Move logical time into a separate package by @pattyshack in #4089
• Fix error predicate typo by @pattyshack in #4096
• Rename State to ExecutionState by @pattyshack in #4110
• rm ExecutionStateSyncRequest/ExecutionStateDelta by @pattyshack in #4120
• Update programs test by @pattyshack in #4117
• Update derived data invalidator test to use vm.RunV2 by @pattyshack in #4102
• Remove unnecessary delta view usage in tests by @pattyshack in #4119
• Update computation/testutils to use fvm.RunV2 / snapshot tree by @pattyshack in #4109
• Add FinalizeMainTransaction method to TransactionState by @pattyshack in #4127
• Remove delta usage from badger interactions by @pattyshack in #4128
• Clean up delta view usage in fvm/environment by @pattyshack in #4151
• Change computation result to store ExecutionSnapshot instead of delta Interactions by @pattyshack in #4027
• Clean up script query executor delta usage by @pattyshack in #4130
• Remove bad test by @pattyshack in #4160
• Remove delta view usage in fvm/ tests by @pattyshack in #4150
• clean up engine/execution/state tests delta usage by @pattyshack in #4163
• Misc. delta view cleanup by @pattyshack in #4175
• Update flow-emulator version to head by @pattyshack in #4166
• mv fvm/derived fvm/storage/derived by @pattyshack in #4179
• Simplify transaction preprocessing by @pattyshack in #4200
• Replace delta view with spockState and storageState by @pattyshack in #4182
• Misc state/view usage cleanup by @pattyshack in #4195
• Clean up emulator dead code by @pattyshack in #4183
• rename RunV2 to Run by @pattyshack in #4184
• Change execution state to use storage snapshot as input by @pattyshack in #4210
• Replace RetryableError with RetryableConflictError by @pattyshack in #4241
• Add register id sets intersection function by @pattyshack in #4238
• Change derived snapshot read transaction commit behavior by @pattyshack in #4252
• mv fvm/state fvm/storage/state by @pattyshack in #4242
• Add InterimReadSet method to transaction state. by @pattyshack in #4221
• Simplify snapshot read transactions by @pattyshack in #4255
• Add support data structures for in memory block database. by @pattyshack in #4240
• rename transaction interfaces to transaction preparer. by @pattyshack in #4289
• move snapshot related code into a separate package by @pattyshack in #4262
• Update access handler to use finalized header cache interface object by @pattyshack in #4297
• Simplify derived block data initializer by @pattyshack in #4294
• In-memory MVCC block database. by @pattyshack in #4293
• Add txn index as salt to the random generator seed. by @pattyshack in #4287
• rm module/trace owner by @pattyshack in #4299
• Update emulator version by @pattyshack in #4300
• Clean up todos by @pattyshack in #4307
• Internalize block meter metric logging by @pattyshack in #4308
• integrate primary BlockData into fvm Run execution. by @pattyshack in #4305
• Queue transaction requests instead of returning a slice of transaction requests by @pattyshack in #4314
• refactor procedure state parameters setup into a function by @pattyshack in #4321
• Remove inaccurate transaction memory usage metric by @pattyshack in #4330
• Fix fvm bench test setup. by @pattyshack in #4338
• update VM interface to expose Executor. by @pattyshack in #4336
• Expose transaction snapshot time by @pattyshack in #4337
• Fix testVM data race by @pattyshack in #4347
• fix dummy uploader data race by @pattyshack in #4356
• Fix benchmark error check by @pattyshack in #4345
• Fix testRuntime data races by @pattyshack in #4346
• Change computer to directly invoke fvm transaction / executor by @pattyshack in #4349
• Add computer test to check for internal error by @pattyshack in #4341
• Move txn post process logging into result collector by @pattyshack in #4333
• Include program location in error message. by @pattyshack in #4360

Refactoring to isolate script execution interface

• clean up - remove unused code by @ramtinms in #3980
• removing unused codes part 2 by @ramtinms in #3984
• remove dead code (delta sync) by @ramtinms in #4036
• Break computationResults into sub types by @ramtinms in #4078
• change requirements for chunk data pack requests by @ramtinms in #4005

Smart Programs cache invalidation

• Smart/partial programs cache invalidation by @janezpodhostnik in #3706
• Add cached programs metrics by @janezpodhostnik in #3888
• Add programs chache hit/miss metrics by @janezpodhostnik in #3896
• Fix for double-counting contract imports(onflow/cadence#1684)
• Refactor get or load program by @janezpodhostnik in #3976
• Commit nested transaction on derived value compute error by @janezpodhostnik in #3981
• Use GetOrCompute for programs by @janezpodhostnik in #4002
• Remove unused/usafe Get/Set on Derived data by @janezpodhostnik in #4011
• Remove nil location check in getOrLoad program by @janezpodhostnik in #4031
• Change program dependencies to cadence location by @janezpodhostnik in #4056
• Track script/transaction procedure program dependencies by @janezpodhostnik in #4059
• Remove double counting of imports by @janezpodhostnik in #4060

Add support for height-coordinated upgrade via service event

• Remove obsolete comment by @janezpodhostnik in #4141
• Move test fixtures closer to usage by @janezpodhostnik in #4142
• Add logger to FollowerState by @janezpodhostnik in #4156
• Port version beacons - v0.30 by @janezpodhostnik in #4243
• Cleanup stop control component by @janezpodhostnik in #4165
• Add version beacon service event model by @janezpodhostnik in #4209
• Refactor service event marshalling by @janezpodhostnik in #4220
• Separate integration test for version upgrades by @janezpodhostnik in #4172
• Add version beacon contract by @janezpodhostnik in #4226
• Add additional version beacon tests by @janezpodhostnik in #4236
• Add Version Beacon integration test by @janezpodhostnik in #4250
• Add version beacon badger storage by @janezpodhostnik in #4256
• Add version beacon storage initialization by @janezpodhostnik in #4267
• Add version beacon verify function by @janezpodhostnik in #4283
• Change system transaction to have dual authorizers by @janezpodhostnik in #4298
• Add version beacon to snapshot by @janezpodhostnik in #4285
• Stop Control with Version Beacons by @janezpodhostnik in #4342

FVM

• Log execution intensities even if the transaction fails by @janezpodhostnik in #3755
• Refactor accounts set storage used by @janezpodhostnik in #3865
• Add restriction that program loading cannot write to registers by @janezpodhostnik in #3871
• Split meter into components by @janezpodhostnik in #3870
• Debug log cadence logs by @janezpodhostnik in #3899
• Change interaction metering by @janezpodhostnik in #3874
• Replace contract update key by @janezpodhostnik in #4091
• Change panic to failure in programs by @janezpodhostnik in #4092
• Update flow-core-contracts to v0.12.2 by @sideninja in #4227
• Account local ID generation by @janezpodhostnik in #4416
• Add test for storage iteration with broken values by @SupunS in #4320
• FVM bench test fix by @janezpodhostnik in #4369
• Dependency tracking on load error by @janezpodhostnik in #4474

Dynamic bootstrap

• Add sealed root for dynamic bootstrapping execution node by @zhangchiqing in #4375

Consensus Follower

• Replacing MutableState with FollowerState and ParticipantState by @durkmurder in #3949
• Updated main consensus compliance engine to support batched API by @durkmurder in #4024
• Implementation of PendingTree by @durkmurder in #4003
• Follower engine by @durkmurder with contributions by @AlexHentschel in #4094
• Skipping proposals too far ahead of locally finalized view by @durkmurder in #4118
• Update README.md for consensus by @durkmurder with contributions by @AlexHentschel in #3863
• Snapshot uses QC storage by @durkmurder in #3947
• Service events processing order by @durkmurder with contributions by @AlexHentschel in #4149
• Use consistent default weight by @jordanschalm in #3783
• Fix data race in DKG integration test by @jordanschalm in #3792
• Merge feature/active-pacemaker to master by @jordanschalm in #3895
• Start previous epoch cluster consensus components after epoch boundary by @jordanschalm in #3921
• Re-enable SN epoch integration test by @jordanschalm in #4134
• Port #4063 to master by @jordanschalm in #4086
• Add metric for epoch transition height by @jordanschalm in #4079
• Epoch Height Boundary Index by @jordanschalm in #3903
• Remove unused types from entity.go by @jordanschalm in #4009
• Beacon Key Storage Error Docs / Handling Improvements by @jordanschalm in #3950
• Add explicit exception type by @jordanschalm in #3999
• Pending blocks cache for follower engine by @durkmurder with contributions by @AlexHentschel in #3965
• [Hotfix] Follower engine finalization events by @durkmurder in #4173
• [Backport] Step 1 of Follower optimization by @AlexHentschel in #4176
• Dropping redundant inputs by @durkmurder in #4284
• Connected finalization events to follower engines by @durkmurder in #4389
• Check reference at snapshot creation by @jordanschalm in #4093
• PaceMaker constructor supports QCs and/or TCs recovery as additional recovery information by @AlexHentschel in #4155
• Finality logic supports ingestion of uncertified blocks (using validated QC from unvalidated blocks) by @AlexHentschel in #4190
• Update README.md by @jordanschalm in #4224
• Remove payout flag, arg from resetEpoch cmd by @jordanschalm in #4286
• Compliance Core - clean up extra arg by @jordanschalm in #4292
• Consensus Follower optimization (pt 3) by @AlexHentschel in #4234
• Update cluster config constraints by @jordanschalm in #4185
• Enforce that collection reference blocks are bound to the cluster's operating epoch by @jordanschalm in #4148
• Change default min timeout for LNs to 1.5s by @jordanschalm in #4304
• Add finalized header cache to protocol state by @jordanschalm in #4145
• Extended coding guidelines around usage of irrecoverable.Exception by @AlexHentschel in #4021
• Use ComponentManager in DKG MessagingEngine by @jordanschalm in #4219
• Consensus optimization: remaining cleanup by @AlexHentschel in #4315
• Suggestions for PR 4174 by @AlexHentschel in #4317
• Use ComponentManager, FinalizationActor in RPC engine by @jordanschalm in #4313
• Add FinalizationActor by @jordanschalm in #4187
• Clean up cluster builder by @jordanschalm in #4296
• Use FinalizedHeaderCache and ComponentManager in sync engine by @jordanschalm in #4339
• Remove outdated command from readme by @jordanschalm in #4378

Block rate controller

• BlockRateController: Implement rate and error measurement, initialization, tests by @jordanschalm in #4348
• Add BlockRateController skeleton by @jordanschalm in #4332
• BlockRateController: Metrics and debug logging by @jordanschalm in #4386
• Hook up BlockRateController to Pacemaker by @jordanschalm in #4385
• Revisions to BlockTimeController by @AlexHentschel in #4392

Network / Routing attacks

• Add protocol metrics label by @peterargue in #3761
• Fix inbound message metrics label by @peterargue in #3767
• Revamps connection manager by @yhassanzadeh13 in #3852
• Refactors test scenarios to comply with libp2p upgrade by @yhassanzadeh13 in #3875
• Enables logging of peer ids together with node id upon connection establishment by @yhassanzadeh13 in #3898
• Bump libp2p v0.23.3 -> v0.24.2 by @SaveTheRbtz in #3701
• Logging of libp2p Resource Limits at Node Startup by @yhassanzadeh13 in #3904
• Topology Tracing and Monitoring for GossipSub by @yhassanzadeh13 in #3970
• Thread-safe and non-blocking notification distributor by @yhassanzadeh13 in #3911
• Introducing Visibility to the GossipSub Scoring Mechanism by @yhassanzadeh13 in #3986
• Refactor GossipSub topology logger with zeroLog dictionary feature by @yhassanzadeh13 in #4035
• Fix CI build for #3585 (abstracts GossipSub-related primitives) by @gomisha in #3592
• Fixes nil issue with router during tests by @yhassanzadeh13 in #3665
• increase GRPC limit to 20MB by @koko1123 in #3635
• Khalil/1846 close conn rate limited peer by @kc1116 in #3799
• Khalil/1855 Remove block listed peers by @kc1116 with contributions by @AlexHentschel in #3762
• Khalil/1844 topic validator skip decoding by @kc1116 in #3831
• Khalil/6441 Blocklist admin command functional test by @kc1116 in #3877
• Khalil/6477 single pairwise connection by @kc1116 in #3902
• 1886 Add worker pool to rpc metrics inspector by @kc1116 in #4132
• Khalil/1883-inbound single pairwise connection by @kc1116 in #4022
• Gossipsub RPC Inspector tracker cache by @kc1116 in #4365
• khalil/1885 Unknown cluster ID spam prevention by @kc1116 in #4189
• Khalil/6474 Gossipsub RPC control message Spam protection: GRAFT & PRUNE by @gomisha in #4103
• Enhancing Load-Balancing and Security through Shuffled Connection Order by @yhassanzadeh13 in #4254
• Spam mitigation of GossipSub ctrl messages by @gomisha in #4306
• Chore: dissolve DefaultLibP2PNodeFactory by @yhassanzadeh13 in #4366
• Chore: refactors the lifecycle management of alsp manager by @yhassanzadeh13 in #4376

Storage

• Storage for Quorum Certificates by @durkmurder in #3928
• Fix cleaner interval units bug by @jordanschalm in #4231

Observer

• Fixed issue with incorrect observer logs by @Guitarheroua in #4178
• Remove unsupported execution sync from observer bootstrap by @peterargue in #4382

StateSync

• Align downloader and execution data store to use a single interface by @peterargue in #4381
• Add caching to execution sync and streaming api by @peterargue in #4383

SpamPrevention

• Implements skeleton of application-layer feedback by @yhassanzadeh13 in #4099
• Gossipsub RPC ihave unknown topic spam detection by @gomisha in #4344

Test

• Move admin tests to integration by @peterargue in #3917
• Fixes race conditions by @yhassanzadeh13 in #3687
• Flaky Test Monitor - run regular tests more frequently by @gomisha in #3741
• Pin benchstat version by @SaveTheRbtz in #3833
• AddObserver adds a node to a suite by @m4ksio in #3746
• Storage layer test refactor by @janezpodhostnik in #4140
• Ignore benchstat on forks by @janezpodhostnik in #4146
• Add step to print results of test monitor by @jordanschalm in #4095
• Fixes flaky TestGossipSubSpamMitigationIntegration by @yhassanzadeh13 in #4312
• Move TPS test runs to new VM by @gomisha in #4269
• Cleanup integration test bootstrap by @peterargue in #4121
• Flaky tests for compliance engine by @durkmurder in #4302
• Fixes panic on dividing by zero for TestValidationInspector_ActiveClusterIdsNotSet_Graft_Detection by @yhassanzadeh13 in #4329

Tools

• Add bootstrap command to generate grpc TLS keys by @peterargue in #3789
• Batch removal by @m4ksio in #2535
• Backport v0.31 add read range blocks admin cmd by @zhangchiqing in #4456
• Add contour ingress support by @sjonpaulbrown in #4158

Community

• Test Fixes for emulator API changes by @bluesign in #4419
• Add an extra parameter for runtime config in NewCustomReusableCadenceRuntimePool constructor by @m-Peter in #4126

Misc

• Reporting node info metrics by @durkmurder in #3800
• Herocache reports ejected entites by @durkmurder in #3961
• Badger log files cleaner by @durkmurder in #4108
• Add cli flag for grpc max message size by @peterargue in #3855
• Auto update to onflow/cadence v0.31.3 by @SupunS in #3836
• Avoid oppressive terminology by @turbolent in #3370
• Disable account freezing by @janezpodhostnik in #3982
• Remove account freezing by @janezpodhostnik in #4010
• Add LicensingApproach.md by @Kay-Zee in #3908
• Cleanup codeowners by @peterargue in #4076
• Modify Localnet image-build behaviour, update documentation by @jordanschalm in #4124
• handle limited size of queue for holding incorporated block in sealing logic by @AlexHentschel in #3734
• Use consistent method for creating temp dirs by @jordanschalm in #3846
• Documentation on Sealing Segment (and some minor bug fixes) by @AlexHentschel in #3824
• extend documentation of pending tree by @AlexHentschel in #4114
• move script execution logic to query package by @ramtinms in #4034
• Adding collection result consumer type by @ramtinms in #4049
• Ensure the same runtime config is used by @turbolent in #3768
• Disable limiting storage/computation during bootstrapping by @janezpodhostnik in #3848
• Rename variables and update comments for trie update function by @zhangchiqing in #3922
• Log invalid vote in bootstrap finalize by @zhangchiqing in #3832
• Ignore Inclusion field when verifying trie proof by @zhangchiqing in #3940
• Enable attachments on all networks but Mainnet by @turbolent in #4020
• • Update core-contracts dependency (slot selection) by @jordanschalm in #3837
• Remove requirement that weight > 0 in EpochSetup validation by @jordanschalm in #3934
• Fix OBO and inconsistency in signer indices decoding used in Access API by @jordanschalm in #3906
• v0.30 fix read leaf nodes by @zhangchiqing in #4213
• Add docs for connecting to node using debugger by @peterargue in #4129
• Refactor localnet to clean up port allocation by @peterargue in #4161
• Clean up DKG simulation in bootstrap by @tarakby in #4259
• Fix system contract variable name inconsistency by @janezpodhostnik in #4171
• Remove reporting feature from state extraction by @zhangchiqing in #4401
• log triedir when fail to initialize disk war by @zhangchiqing in #4387
• Move the order of saving state commits by @zhangchiqing in #4316
• Leo/v0.31 add export report by @zhangchiqing in #4430
• Fix system transaction imports by @janezpodhostnik in #4443
• Transaction logging fix by @janezpodhostnik in #4444
• Backport - panic when on executed block error by @zhangchiqing in #4471
• Fix sealed header cache in state bootstrap by @peterargue in #4477
• Backport to v0.31 increase range limit by @zhangchiqing in #4480
• Move StrictMonotonousCounter to module by @peterargue in #4394

Chores

• Upgrade core contracts by @janezpodhostnik in #3733
• Update to cadence v0.31.1 by @SupunS in #3774
• Update to Cadence v0.31.2 by @turbolent in #3777
• Update to Cadence v0.31.5 by @turbolent in #3959
• Upgrade Cadence to latest version (v0.35.0) by @janezpodhostnik in #3884
• Update mockery and mockgen, regenerate mocks by @turbolent in #4025
• Update to Cadence v0.36.0 by @dsainati1 in #4017
• Upgrade Cadence by @janezpodhostnik in #4069
• Update to Cadence v0.37.0 by @turbolent in #4087
• Port account linking test PRs from v0.29 to master by @turbolent in #4097
• Upgrade cadence version to v0.38.0 by @SupunS in #4157
• Update to Cadence v0.38.1 by @turbolent in #4202
• Update to Cadence v0.39.3 by @turbolent in #4439
• Update to Cadence v0.38.1 by @turbolent in #4201
• [0.31] Update to Cadence v0.39.5 by @turbolent in #4448
• Update to Cadence v0.39.1 by @turbolent in #4390
• Backport v0.31 fix last finalized header cache by @zhangchiqing in #4450
• Backport fix scripts by @zhangchiqing in #4251
• port - [Exec] Use CCF in self-describing mode to encode events (replaces JSON-CDC) by @janezpodhostnik in #4437
• [v0.31] Update to Cadence v0.39.8 by @turbolent in #4469
• Update to Cadence v0.39.9 by @turbolent in #4472
• Update to Cadence v0.39.9-patch.1 by @turbolent in #4487

New Contributors

• @haroldsphinx made their first contribution in #4057
• @m-Peter made their first contribution in #4126
• @Guitarheroua made their first contribution in #4178
• @bluesign made their first contribution in #4419

Full Changelog: v0.29.17...v0.31.9