Release notes

This release brings over 300 performance enhancements, protocol improvements, and developer-focused upgrades:

Faster block production, sync, and pruning
New admin RPCs and richer metrics for tracing and debugging
EIP-4444 and EIP-2935 fixes, plus extended snapshot handling
Refactors improving stability, modularity, and test coverage

Major highlights

Protocol

RPC error support for EIP-4444 (pruned blocks)
Fixes for EIP-2935 edge cases

Performance

Significantly improved local block building and profitability logic
State sync, pruning, blob fee calc
Improved memory use by networking and Trie cache
Parallel block downloading (with rollback safety)
AVX512 and ARM64-specific boost for 256-bit integer arithmetic

JSON-RPC & metrics

New JSON-RPC methods: admin_addTrustedPeer, admin_removeTrustedPeer, admin_peerEvents
More granular metrics: engine_getBlobsV1, pruning, block stats
Improved Geth-compatible debug_trace support
Default extradata for local building includes Nethermind version (as per Besu, Erigon, Geth)

Chain support

Updates to OP Superchain, World Chain, Hoodi, Taiko Pacaya
Snap sync support for Energy Web
Configuration fixes: deposit contracts, gas limits, ancient block barriers

CLI improvements

Shortened boolean command line option notation. For example, --metrics-enabled true can now be written as --metrics-enabled, omitting the value part. If the value is false, it still must be explicitly specified.

nethermind-cli

nethermind-cli is retired as deprecated. See the docs for suggested replacements.

Other improvements

Major refactors: pruning, sync, metrics, plugins, discovery
Plugin system enhancements and modular debug features

Changelog

Cleanup/move more sync integration tests to DI by @asdacap in #8144
Update sepolia chain size by @LukaszRozmej in #8155
Auto-update fast sync settings by @core-repository-dispatch-app in #8149
standardize BlobTxMissingBlobs error message by @yerke26 in #8129
Merge eth_simulate_v1 to master by @rjnrohit in #8153
Fix PivotTotalDifficulty in update configs action by @kamilchodola in #8161
New filter restricting delegations in txpool by @ak88 in #8022
Fix wrong parent block due to reorg by @flcl42 in #8159
Regression test for BLS precompile caching consensus issue by @Marchhill in #8164
requests validation hotfix by @rjnrohit in #8156
No warnings with Engine Capabilites from V1 and V2 by @MarekM25 in #8125
EIP-2935 Contract deployment fix by @MarekM25 in #8166
Less Prewarmer work per tx (share scope for thread) by @benaadams in #8172
check requests type validity by @rjnrohit in #8175
Optimize TryCalculateFeePerBlobGas by @benaadams in #8173
Proper Transaction type for eth_* calls when running Optimism by @emlautarom1 in #8157
Added Additional Terms section in [Readme.md](http://readme.md/) by @AnavarKh in #8169
Fix state override accessing state by @LukaszRozmej in #8168
Make test more reliable by @asdacap in #8177
Add SnapSync=true to EnergyWeb and Volta by @kamilchodola in #8000
Cleanup exosoma by @MarekM25 in #8181
Holesky & Sepolia Pectra by @MarekM25 in #8115
Fix some unit test by @asdacap in #8184
Add World Chain to README by @rubo in #8189
Fix debug module wrong configuration by @asdacap in #8185
Add Nimbus-eth1 & EthereumJS to client types by @benaadams in #8192
Cleanup/remove last seen map by @asdacap in #8183
Automate Superchain Registry chain support by @emlautarom1 in #8105
Update libp2p by @Marchhill in #7916
Implement admin_peerEvents for rpc module by @StevenChongHuo in #7999
Migrate to .slnx by @rubo in #8195
Feature/filter setcode tx by @ak88 in #8167
Init OP deployer account before setting the code by @flcl42 in #8193
Fix workflow flags for "Update OP Superchain chains" by @emlautarom1 in #8198
Auto-update fast sync settings by @core-repository-dispatch-app in #8180
Fix Fast Sync settings in "Update OP Superchain chains" worflow by @emlautarom1 in #8200
Update OP Superchain chains by @core-repository-dispatch-app in #8201
Rename taiko-mainnet configuration to taiko-alethia by @rubo in #8188
Add github actions scanning to CodeQL workflow by @yevh in #8165
Cleanup/Deduplicate blockdownloader code by @asdacap in #8147
Add worldchain to sync supported chains by @stdevMac in #8060
Various fixes to sync tests by @kamilchodola in #8206
Implement admin_addTrustedPeer rpc endpoint by @richardgreg in #7891
Refactor IsBetterThanHead by @LukaszRozmej in #8207
Fix trusted nodes by @benaadams in #8211
Shorten boolean command line option notation by @rubo in #8179
Fix eth stats by @benaadams in #8215
Update OP Superchain chains by @core-repository-dispatch-app in #8212
feature: Add support for block validation (flashbots_validateBuilderSubmissionV3) by @rjnrohit in #7335
Minor fixes for SyncSupported chains by @kamilchodola in #8217
fix gnosis state / blockchain tests runner by @yerke26 in #8216
Blockchainprocessor channel use by @benaadams in #8218
Fix persist cache remove node by @asdacap in #8229
AuthTuple ChainId 64->256 in test setup by @MarekM25 in #8226
Split storage ranges to parallelize execution by @damian-orzechowski in #7733
Reintroduce missing 4844 RPC fields (GasPrice and V) by @LukaszRozmej in #8232
Refactor ShutterTime to SlotTime by @Marchhill in #8233
Limit task count in tests by @asdacap in #8231
Refactor/isolate main transaction processor by @asdacap in #8196
Fix/initsteps race condition by @ak88 in #8145
Accept local tx even when syncing by @benaadams in #8242
Optimise: make SlotTime a class by @Marchhill in #8245
Skip SLOAD and SSTORE lookups on empty storage by @benaadams in #8248
Update OP Superchain chains by @core-repository-dispatch-app in #8246
Fix RecoveryQueueSize Metric (off by 1) by @benaadams in #8250
Use rocksdb_get_pinned by @benaadams in #8247
Capture block stats per log (no block stats bleed) by @benaadams in #8251
Configurable fast sync lag by @asdacap in #8253
Remove Flashbots from Holesky config by @kamilchodola in #8262
Fix deposit contract address by @MarekM25 in #8265
Trie visitor adjustment by @asdacap in #8221
Add factory logic for block producer runner initialization by @jmederosalvarado in #8243
secp256r1 improvements by @alexb5dh in #8252
Disable satellite resources by @rubo in #8270
Improved tree visitor parallelism and efficiency. by @asdacap in #8267
Perf/faster state sync test by @asdacap in #8266
Return empty logs for future blocks by @flcl42 in #8241
Improve BlockchainProcessor exception messages by @benaadams in #8273
Revert secp256r1 tweaks by @alexb5dh in #8272
Handle orphaned blocks better by @benaadams in #8274
Disconnect on message size exceed by @VolodymyrBg in #8244
Request Hash calculation no allocations by @LukaszRozmej in #8264
hash casting cleanup by @LukaszRozmej in #8269
BLS fix: don't return 1 because of infinity point by @Marchhill in #8277
Chiado Pectra by @MarekM25 in #8276
bls precompiles test vectors by @LukaszRozmej in #8279
Disable warmup by default in StateTestRunner by @Antrikshgwal in #8285
Add admin_removeTrustedPeer RPC endpoint by @richardgreg in #8288
Update OP Superchain chains by @core-repository-dispatch-app in #8287
Add GitHub Discussions badge by @rubo in #8291
Remove goerli remnants by @MarekM25 in #8239
Shutter: add gas limit check by @Marchhill in #8296
Fix Json tracer tests on Windows by @benaadams in #8297
fix txValidator for State test, fix PragueGnosis spec by @yerke26 in #8290
Fail chainspec loading when EIP dependent params are missing by @LukaszRozmej in #8268
Secp256r1 precompile optimization & tests by @alexb5dh in #8284
Fix request hash calculations by @LukaszRozmej in #8302
match on deposit contract log topic v2 by @LukaszRozmej in #8305
Add status codes when rejecting and output error on lack of ContentType by @LukaszRozmej in #8301
Fix should_bring_back_reorganized_blob_txs test by @asdacap in #8299
BLS precompile: refactor, add comments by @Marchhill in #8307
Refactor/refactor metric controller by @asdacap in #8293
Feature/detailed rpc metric by @asdacap in #8294
Fix runner test by @asdacap in #8312
Align debug_traceBlock/Transaction with geth by @wurdum in #8186
fix shutter test execute engine tests by @asdacap in #8313
Increase Holesky & Sepolia gaslimit by 66% to 60M by @benaadams in #8263
Decrease the tree dump Warn->Trace on Load genesis issue by @LukaszRozmej in #8317
rpc compat get block remove author by @LukaszRozmej in #8314
Feature/unified plugin Enabled flag by @asdacap in #8077
Fix random runner test failure in CI by @asdacap in #8322
A potential fix to raw typed tx encoding by @MarekM25 in #8259
Fic randomly failing tx priority contract test by @asdacap in #8325
Feature/detailed metric by @asdacap in #8321
Refactor: Remove unused code in Shutter Plugin by @Marchhill in #8328
Revert secp256r1 optimization by @alexb5dh in #8326
Make EthereumJsonSerializer MaxDepth configurable by @LukaszRozmej in #8323
Use Taiko's Transaction Executors for RPC modules by @smartprogrammer93 in #8311
Perf/Faster SynchronizerTests by @asdacap in #8324
Fix/TrieException after full pruning by @asdacap in #8333
Fix/random debug rpc module test failure by @asdacap in #8334
Logs/trace tx processor by @MarekM25 in #8335
Return raw txs in mempool form if possible by @flcl42 in #8330
Perf/Improved pruning cache efficiency by @asdacap in #8309
Perf/concurrent processing jsonrpc socket by @asdacap in #8292
Fix BLS on old CPUs by @Marchhill in #8337
Update OP Superchain chains by @core-repository-dispatch-app in #8329
Add percentiles 100 limit by @LukaszRozmej in #8338
Add engine_signalSuperchainV1 by @emlautarom1 in #7693
Remove hive.json by @LukaszRozmej in #8343
Double check pruning cache key memory usage by @asdacap in #8346
Fix 7702 metrics by @MarekM25 in #8341
adding more bls test vectors by @LukaszRozmej in #8357
Fix handling local pending delegations by @marcindsobczak in #8351
TxTypeExtensions refactoring by @MarekM25 in #8354
Add client id privacy option by @octogene in #8310
Feature/Load ISteps with a container. by @asdacap in #8332
Taiko pacaya support by @smartprogrammer93 in #8331
fix Trace leak by @LukaszRozmej in #8353
Kzg correct arg ordering by @mralj in #8363
Fix flashbots prewarmer not wired correctly by @asdacap in #8359
More explicit jump name by @ak88 in #8362
Only replace candidate block when more profitable and improve production logs by @benaadams in #8365
Small refactor to make ExecuteEvmCall error handling clearer. by @ak88 in #8366
Change loglevel on invalid websocket state by @asdacap in #8360
Fix/block improvement test inconsistencies by @asdacap in #8364
4444-ish: Cleanup/disable header only forward sync by @asdacap in #8209
Output Blockgas limit at startup by @benaadams in #8368
Fix: order memdb by @Marchhill in #8369
Give bigger machine for base-mainnet as seems not to fit anymore by @kamilchodola in #8370
Minor fee collector optimisation by @Marchhill in #8376
Skipping execution requests processor in genesis by @MarekM25 in #8375
Improve UInt256 multiply performance x2 on AVX512 platforms by @rubo in #8379
Feature/disable storage range split flag by @asdacap in #8356
Update OP Superchain chains by @core-repository-dispatch-app in #8372
Hoodi initial config by @brbrr in #8377
Accept tx with same nonce when pending or is delegated by @ak88 in #8352
State/remove past path hashes by @asdacap in #8374
4444-ish: Refactor/forward header provider by @asdacap in #8254
Remove redundant authorizationTuple.Nonce == ulong.MaxValue check by @LukaszRozmej in #8340
Rename and unify log filenames by @rubo in #8387
Fix 2935 - fetch trimmed hashes correctly by @tanishqjasoria in #8344
Fix Hoodi archive config by @brbrr in #8393
Include blob count in block production logs by @benaadams in #8396
Disable static web assets by @rubo in #8395
Refactor #8254, fix missing using by @LukaszRozmej in #8397
refactor eth_simulate and add support for trace simulate endpoints by @rjnrohit in #8347
Fix Taiko alethia sync issues on actions + various minor fixes by @kamilchodola in #8398
Pack blobs optimally by aggregate fees by @benaadams in #8400
Debug RPC for 7702, potential fix by @MarekM25 in #8349
Refactor/move sync pivot to blocktree by @asdacap in #8390
Fix cpu detection on Windows by @benaadams in #8403
Remove redundant check for delegations by @ak88 in #8402
Update OP Superchain chains by @core-repository-dispatch-app in #8405
RBuilder rpc by @asdacap in #7985
Add message with exact error to AcceptTxResult.Invalid by @marcindsobczak in #8240
Return txs from pool in form with network wrapper in special case by @flcl42 in #8406
Reduce getPayload timeout on empty block by @Marchhill in #8408
Feature/allow plugins to specify module by @asdacap in #8358
Perf/batched header insert by @asdacap in #8391
Add Hoodi support by @brbrr in #8385
AlwaysPoS did not set final total difficulty by @asdacap in #8413
Feature/Configurable dirty node shard count by @asdacap in #8410
Only write to tree net changes at end of block by @benaadams in #7406
Fix hive test. by @asdacap in #8414
Warm up both beacon root slots by @benaadams in #8415
Fix wrong key encoding in multi load level by @asdacap in #8416
Shutter: fix shutdown dispose by @Marchhill in #8418
Auto-update fast sync settings by @core-repository-dispatch-app in #8422
Feature/movable sync pivot by @asdacap in #8401
Just fixing the clique test script by @ak88 in #8424
Remove HashAndTinyPathAndHash by @benaadams in #8425
Peers ignore self and recent ips by @benaadams in #8426
Check enode format in constructor by @ak88 in #8434
Update ethereum tests by @MarekM25 in #8409
Lookup TxDecoder once per block by @benaadams in #8438
Fix taiko DI by @flcl42 in #8436
Auto-update fast sync settings by @core-repository-dispatch-app in #8444
Add prewarm cache to TransactionProcessorTests by @Marchhill in #8447
Clarify missing messages are Fork Choice by @benaadams in #8441
Use different tags for Hekla and Alethia by @kamilchodola in #8411
Fix: use gnosis forks consistently by @Marchhill in #8448
Shrink Netty page size 16MB => 8MB (Save 64MB) by @benaadams in #8439
Increase hot code in PruneCache by @benaadams in #8446
Fix spaceneth by @MarekM25 in #8450
Update OP Superchain chains by @core-repository-dispatch-app in #8443
Rlp.Encode skip second array creation for length by @benaadams in #8440
Minor refactoring and optimisations by @Marchhill in #8451
Secp256r1 precompile: switch to BoringSSL by @alexb5dh in #8437
Correct timestamp in eth_simulateV1 by @emlautarom1 in #8423
NewPayload error message by @Marchhill in #8453
Differentiate Pruning metrics by @benaadams in #8456
Remove branch from Purning Metrics by @benaadams in #8457
Fix bump up version workflow by @stdevMac in #8117
Cleanup: Remove ISynchronizationPlugin. by @asdacap in #8458
Update base and op oneClick by @stdevMac in #8460
Volta bootnodes adjusted by @kamilchodola in #8463
Deserialize JSON of a decimal number > MAX_UINT64 by @flcl42 in #8461
Activate Pacaya fork on Hekla by @flcl42 in #8466
[Hoodi] Increase gas limit to 60M by @brbrr in #8386
Fix benchmark missing any writes by @asdacap in #8468
Fix broken Engine API documentation link in error message by @Hopium21 in #8476
Auto-update fast sync settings by @core-repository-dispatch-app in #8472
Update OP Superchain chains by @core-repository-dispatch-app in #8473
Use ArgumentNullException.ThrowIfNull by @benaadams in #8477
Build up to +50% more profitable (local) blocks by @benaadams in #8462
Perf/More accurate request limit. by @asdacap in #8474
Refactor/Move some TestBlockchain code to DI. by @asdacap in #8465
Update chain sizes test by @benaadams in #8478
Skip block build until new tx have been added by @benaadams in #8481
Add timeout to node filter by @benaadams in #8483
Include version number in default extra data by @benaadams in #8492
Fix: dispose ArrayPoolList in SyncStatusList by @Marchhill in #8485
Cap block build size in bytes by @benaadams in #8486
Fix FCU result in simulated block production scenarios by @marcindsobczak in #8494
Dial back JsonRpc log spam by @benaadams in #8497
Don't include too much version in extradata by @benaadams in #8499
Isolated commit and hash benchmark by @asdacap in #8505
Don't catch all exceptions on ExecutionPayload.TryGetBlock by @LukaszRozmej in #8498
Handle tx reorged blocks better by @benaadams in #8507
Always trace invalid block even if succeeds on trace by @benaadams in #8131
Prefer mev reward tx value when calculating mev by @benaadams in #8512
Feature/era configurable import blocks buffer by @asdacap in #8510
Cleanup/Remove InitializeNodeStats by @asdacap in #8511
Auto-update fast sync settings by @core-repository-dispatch-app in #8518
Update OP Superchain chains by @core-repository-dispatch-app in #8519
Limit time any single block can be produced for by @benaadams in #8523
Feature/Allow multiple class for the same rpc module. by @asdacap in #8524
Add Eof Execution EIP-7692 (EIP-663, EIP-3540, EIP-3670, EIP-4200, EIP-4750, EIP-5450, EIP-6206, EIP-7069, EIP-7480, EIP-7620, EIP-7698, EIP-7756) by @benaadams in #8176
Add metrics for engine_getBlobsV1 full and partial responses by @marcindsobczak in #8495
OP CL Derivation by @deffrian in #8005
Safely cast Optimism subtypes by @emlautarom1 in #8516
Added gnosis pectra support by @dmitriy-b in #8500
Feature/better dicovery metrics by @asdacap in #8531
CodeDB writes in a batch by @LukaszRozmej in #8527
Include OptimismCL parameters in OP chainspecs by @emlautarom1 in #8491
Update OP Superchain chains by @core-repository-dispatch-app in #8535
Auto-update fast sync settings by @core-repository-dispatch-app in #8545
Fix GasEstimator TODO by cloning Transaction instead of mutating original by @Pronoss in #8513
EIP-4444: Add RPC errors for pruned blocks. Take 2 by @brbrr in #8521
Mainnet Pectra config by @Marchhill in #8502
Set ancient barriers for Sepolia post merge by @brbrr in #8469
Refactor/move worldstate to DI by @asdacap in #8543
ci: bump actions/checkout to v4 by @dizer-ti in #8549
Add additional block production logs by @benaadams in #8555
Fix/double update main chain by @asdacap in #8553
Refactor/move discovery to di by @asdacap in #8554
Improve estimateGas and call gas limits by @Marchhill in #8514
Update OP Superchain chains by @core-repository-dispatch-app in #8560
Auto-update fast sync settings by @core-repository-dispatch-app in #8561
Skip reloads of accounts for txpool delegations by @benaadams in #8564
Commit state according to the regular spec, before system tx spec usage by @flcl42 in #8567
Add EVM tests for 2537 by @Marchhill in #8566
Update Nethermind.Numerics.Int256 package by @rubo in #8570
Maybe fix incorrect total difficulty by @asdacap in #8557
Perf/parallel block downloader by @asdacap in #8255
Revert "Perf/parallel block downloader" by @kamilchodola in #8574
Fix minimum gas limit when producing blocks by @LukaszRozmej in #8580
Auto-update fast sync settings by @core-repository-dispatch-app in #8583
Update OP Superchain chains by @core-repository-dispatch-app in #8584
Adjust names of engine_getBlobs metrics by @marcindsobczak in #8589
Consider dependency chains in optimal blob packing by @benaadams in #8582
Fix StateTestTxTracer top-level precompile calls tracing by @Hyodar in #8577
Fix unexpected nethtest log output and refactor test logging by @Hyodar in #8578
Delay resolving to full blob when picking by @benaadams in #8591
Use faster span enumerator for ArrayPoolList by @benaadams in #8592
Double check other client limits by @richardgreg in #8530
Remove Nethermind.Cli by @rubo in #8575
Update dependencies by @benaadams in #8594
Cap snappy output span by @benaadams in #8596
Optimism - Isthmus by @Scooletz in #8260
Update OP Superchain chains by @core-repository-dispatch-app in #8597
Refactor/separate pruning trieestore by @asdacap in #8593
Fix E2ESyncTest by @asdacap in #8602
Trie node encode by @Scooletz in #8599
Use all tx types in pending delegation test by @ak88 in #8605
Pass PruningConfig to triestore by @asdacap in #8598
Fix/parallel block downloader by @asdacap in #8587
Update OP Superchain chains by @core-repository-dispatch-app in #8611
Fix trie tests by @asdacap in #8614
Auto-update fast sync settings by @core-repository-dispatch-app in #8612
Refactor/Explicit message serializer registration by @asdacap in #8604
Fix editorconfig not applied to C# file. by @asdacap in #8620
Update libp2p package by @Marchhill in #8534
HealthChecks: Track CL calls from fcu & np methods by @deffrian in #8603
Cleanup/remove upgreadable peer allocation by @asdacap in #8572
Safely cast Optimism subtypes (2) by @emlautarom1 in #8619

New Contributors

Thanks to our first-time contributors:

@AnavarKh made their first contribution in #8169
@VolodymyrBg made their first contribution in #8244
@Antrikshgwal made their first contribution in #8285
@wurdum made their first contribution in #8186
@octogene made their first contribution in #8310
@mralj made their first contribution in #8363
@Hopium21 made their first contribution in #8476
@dmitriy-b made their first contribution in #8500
@Pronoss made their first contribution in #8513
@dizer-ti made their first contribution in #8549
@Hyodar made their first contribution in #8577

Full Changelog:
1.31.0...1.32.0-rc

NethermindEth/nethermind 1.32.0-rc v1.32.0-rc on GitHub