v1.6.0-alpha.6

Phase0

• Fix typo in new configuration variable (#4524)
• Remove TTFB_TIMEOUT and RESP_TIMEOUT configs (#4532)

Fulu

• Enforce blob schedule entry's epoch to be post-fulu (#4523)
• Ensure cell indices are sorted in recover_cells_and_kzg_proofs (#4519)

Gloas

• eip7928: introduce specs for block access lists (#4526)

Testing

• Add tests with validator set changes at forks (#4439)
• Update randomize_state to include pending operations (#4531)
• Add reference tests for KZG compute challenge functions (#4516)
• Fix Gloas self build test to use correct proposer (#4537)
• Do not run KZG compute challenge tests in the collection phase (#4546)
• Enable payload attestation tests for mainnet (#4544)
• In randomized tests, only do voluntary exit if no pending withdrawals (#4553)

Other

• Add pull request template (#4517)
• Include pre-releases in release drafter & update labels (#4518)
• Generate spec index pages in mkdocs (#4514)
• Improve mkdocs documentation page (#4521)
• Fix some typo / grammatical errors in Fulu specs (#4533)
• Bump the actions group with 3 updates (#4534)
• Simplify p2p-interface specs for handling ForkDigest (#4491)
• Bump version to v1.6.0-alpha.6 (#4540)
• Add extended help option in Makefile (#4547)
• Remove unnecessary make rules (#4548)
• Clean up old references to make pyspec (#4549)

v1.6.0-alpha.5

Phase0

• Replace INTERVALS_PER_SLOT with explicit slot component times (#4476)

Deneb

• Set MAX_BLOB_COMMITMENTS_PER_BLOCK minimal preset to 4096 (#4508)

Gloas

• eip7732: do not deduplicate indexed_payload_attestations (#4496)
• eip7732: rebase spec onto fulu (#4503)
• eip7732: add tests for builder pending payments processing (#4475)
• Rename eip7732 specs to gloas (#4506)

EIP-7805

• eip7805: rebase spec onto fulu (#4502)
• eip7805: make variable name more coherent (#4505)

Testing

• eip7732: use correct late block cutoff time in proposer boost tests (#4501)
• eip7732: add process execution payload envelope tests (#4458)
• Remove early return statement in KZG test (#4510)

Other

• Organize configuration sections & add missing comments (#4497)
• Remove time conversion comments from configs/presets (#4498)
• Bump the actions group with 3 updates (#4499)
• Bump the actions group with 3 updates (#4511)
• Bump version to v1.6.0-alpha.5 (#4515)

v1.6.0-alpha.4

Fulu

• Make commitment deduplication in verify_cell_kzg_proof_batch deterministic (#4447)
• In get_custody_groups, skip computation if all groups are custodied (#4459)
• Make NUMBER_OF_COLUMNS a preset (#4485)

EIP-7732

• eip7732: make several updates to spec (#4438)
• eip7732: fix inclusion proof depth (#4451)
• eip7732: update fork-choice (#4450)
• eip7732: clarify payload envelope construction (#4454)
• eip7732: add missing new/modified prefixes to functions (#4455)
• eip7732: fix duplicate function call (#4460)
• eip7732: update self build condition (#4464)
• eip7732: fix builder pending withdrawals processing (#4470)
• eip7732: add boolean to PayloadAttestationData (#4473)
• eip7732: improve some p2p gossip validations (#4474)
• eip7732: add process payload att tests (#4463)
• eip7732: fix a typo in builder.md (#4483)
• eip7732: fix quorum calc to avoid double-counting (#4481)
• eip7732: make PTC selection balance-weighted (#4488)

EIP-7805

• eip7805: resolve TODOs and improve spec (#4351)
• eip7805: move inclusion list specs to new inclusion-list.md file (#4446)
• eip7805: align section headers in fork-choice.md (#4449)
• eip7805: remove unnecessary equivocation filter (#4492)
• eip7805: fix cutoff config typo (#4490)

EIP-7916

• eip7916: add ProgressiveList specs and tests (#4445)
• eip7916: add ProgressiveBitlist specs and tests (#4480)

Testing

• eip7805: add IL committee assignment and IL signature tests (#4435)
• Fix mutable default argument anti-pattern for Random objects (#4433)
• eip7732: add becoming builder section (#4456)
• Make test_full_attestations_one_validator_one_gwei faster (#4462)
• eip7732: remove duplicate merge transition complete testing section (#4478)
• eip7732: add process execution payload header tests (#4457)
• eip7732: disable payload attestation tests on mainnet (#4495)

Other

• Remove broken link from README (#4431)
• Remove duplicate "the" words in comments (#4430)
• Remove empty sections and unify Protocols section name (#4436)
• Improve the release action (#4432)
• Bump the actions group across 1 directory with 3 updates (#4434)
• Make updates to reflect default master branch (#4437)
• Replace outdated instance of csc with cgc (#4444)
• Bump the actions group with 2 updates (#4442)
• Fix broken links in markdown files (#4441)
• Add script to check for inconsistent fork comments (#4448)
• Store blob schedule as a VariableDefinition in the pyspec (#4469)
• Bump the actions group with 3 updates (#4471)
• Use frozendict with list-of-records (#4486)
• Bump the actions group with 2 updates (#4487)
• Bump version to v1.6.0-alpha.4 (#4494)

v1.6.0-alpha.3

Fulu

• Add execution_requests to fulu.GetPayloadResponse (#4389)
• Remove peer sampling in Fulu (#4393)
• Serve DataColumnSidecarsByRoot for finalized epochs (#4394)
• Use get_blob_parameters in gossip block validation (#4401)
• Add some clarifications around new ENR changes (#4406)
• Clarify peering expectations when nfd values are different (#4407)
• Convert DAS providers section to supernodes section (#4415)

Testing

• Add fork choice compliance test generator (#3831)
• Add more proposer lookahead tests (#4375)
• Add fork version to compute fork digest test cases (#4376)
• Add test for proposer lookahead excluding exited validators (#4380)
• Fix yields in new proposer lookahead test (#4386)
• Add fork choice tests for PeerDAS (#4391)
• Fix test_effective_decrease_balance_updates_lookahead reftest (#4395)
• Correct the docstrings for process_execution_payload tests with blobs (#4408)
• Remove unnecessary config overrides in test (#4410)
• Test proposer lookahead initialization uses active validator set at fork (#4413)
• Remove blobs/proofs from new PeerDAS forkchoice tests (#4421)

Other

• Do not wrap long lines in config.yaml files (#4379)
• Bump the actions group with 4 updates (#4385)
• Combine helpers into compute_time_at_slot (#4388)
• Replace ast.unparse() with custom parsing (#4387)
• Add jtraglia's spec viewer to resource list (#4392)
• Remove dead attestation generation code (#4396)
• Add nightly workflow to deal with stale issues/PRs (#4403)
• Bump the actions group with 2 updates (#4405)
• Add support for automated releases (#4409)
• Fix formatting for Capella preset (#4411)
• Update release documentation (#4416)
• Run mdformat on all markdown files (#4417)
• Fix sanity test steps in release action (#4418)
• In the release action, set timeout to 24 hours (#4423)
• In the release action, disable sanity checks & remove sudo (#4425)
• In the release action, add back sudo (#4428)

Arcanine

v1.6.0-alpha.2 -- Arcanine -- is an alpha release for the upcoming Fulu upgrade.

PR showing full diff can be found here: #4367

Fulu

• Modify fork digest to distinguish BPO forks + add entry to ENR #4354
• EIP-7917: Refactor return types from List to Vector #4361
• Define requirements for the blob schedule #4370
• Suggest using getPayloadV5 to get blobs/proofs #4371
• Update CGC before Fulu #4373
• Introduce Status v2 with earliest_available_slot #4374

Testing

• Increase mainnet tests timeout to 12 hours #4362
• Fix epoch processing tests for proposer lookahead #4364
• Alias new test to blocks handler #4365
• Detect errors in reference test generator action #4366

Other

• Delete unnecessary container comments #4358
• Run linter on code in markdown files #4359
• Make several fixes in setup.py #4360
• Use python 3.13 in CI actions #4363
• Bump version to v1.6.0-alpha.2 #4368
• Bump the actions group with 3 updates #4372

Ninetales

v1.6.0-alpha.1 -- Ninetales -- is an alpha release for the upcoming Fulu upgrade.

PR showing full diff can be found here: #4346

Fulu

• Add EIP-7917: Deterministic proposer lookahead #4190
• Remove Deneb/Electra from blob schedule and default to Electra limit #4341
• Set blob schedule to an empty list #4342
• Make validator custody increase only and backfill optional #4357

Testing

• Allow custom CLI argument parser in test generator #4339
• Add repository input to reftest generator action #4356

Other

• Refactor pyspec generator code #4330
• Bump the actions group with 3 updates #4334
• Run linting on pysetup directory #4335
• Delete unnecessary eth2spec/eip7732/__init__.py file #4336
• Bump the actions group with 4 updates #4338
• Fix handling of multiple Python definitions in code blocks #4344
• Update minimum python version to 3.10 #4345
• Run linter on setup.py #4348
• Update default shell to bail on error #4349
• Replace black/pylint/isort with ruff #4350
• Bump the actions group with 4 updates #4355

Charmander

v1.6.0-alpha.0 -- Charmander -- is an alpha release for the upcoming Fulu upgrade.

PR showing full diff can be found here: #4316

Fulu

• Clarification on custody sampling #4251
• Introduce blob schedule #4277
• Fix typos in blob configuration comments for fulu presets #4311
• Clarify node behavior when validator custody changes #4320
• State that reconstructed sidecars which are not custodied may be deleted #4332

Testing

• Add full epoch processing tests #4155
• Refactor bls generator #4304
• Improve generator UX #4309
• Refactor gen_runner #4310
• Improve run_get_committee_assignment #4315
• Simplify reference test generators #4317
• Generate reference tests for EIP7732 & EIP7805 #4319
• Fix phase run decorator to skip EIP-7732 as intended #4326
• Bind inputs in ssz_generic reftests #4333

Other

• Bump the actions group with 2 updates #4312
• Enforce 80-character line limit in all markdown files #4321
• Fix link to das-core in fulu validator specs #4324
• Use latest version of uv when creating the venv #4325
• Do import sorting with isort #4327
• Update isort to order_by_type = false #4328

Pikachu

v1.5.0 -- Pikachu -- is the mainnet release for the Electra upgrade that went live on May 7, 2025.

PR showing full diff can be found here: #4298

Electra

• Add various tests cases for Electra #4265
• Fix bug in Electra withdrawals processing #4281
• Mark Electra as stable #4285
• Make *_REQUESTS_PER_PAYLOAD the same for mainnet/minimal #4291
• Update ELECTRA_FORK_EPOCH in fork.md #4295

Fulu

• Allow skipping verification for blobs from EL #4262
• Improve DataColumnSidecarsByRoot request #4284
• Deprecate BlobSidecarsByRangeRange/Root in Fulu #4286
• Remove unnecessary sort in compute_columns_for_custody_group #4289

EIP-7732 (ePBS)

• Fix KZG commitment inclusion proof depth #4264

EIP-7805 (FOCIL)

• Use MAX_TRANSACTIONS_PER_PAYLOAD for InclusionList transactions size #4220
• Update config/preset files #4268
• Make IL committee domain a constant #4276

Testing

• Disable parallelism with make test if a test name is specified #4270
• Add workflow to run nightly mainnet tests #4280
• Add ability to run generators for specific tests #4288
• Add two new custody group tests #4290
• Remove deprecated testing infrastructure #4294
• Refactor kzg_7594 generator #4296
• Refactor kzg_4844 generator #4300
• Clean up generator runner #4301
• Fix two mistakes when refactoring the kzg_4844 generator #4302

Other

• Cleanup presets and configs #4256
• Remove unused is_previous_epoch_justified function #4269
• Simplify specification tables in main readme #4271
• Do a major clean up of the main readme #4272
• Bump the actions group with 2 updates #4273
• Fix a couple broken links #4279
• Bump the actions group with 3 updates #4282
• Bump setuptools from 79.0.0 to 80.0.0 in the actions group #4292
• Bump actions/setup-python from 5.5.0 to 5.6.0 in the actions group #4293
• Ensure presets/configs for yaml/spec match #4297
• Bump the actions group with 2 updates #4299

Plusle

v1.5.0-beta.5 -- Plusle -- is a beta release for the upcoming Electra upgrade.

PR showing full diff can be found here: #4261

Electra

• Update weak subjectivity period computation #4179
• Clean up electra presets #4254
• Schedule electra fork epoch for mainnet #4258

EIP-7805 (FOCIL)

• Add EIP-7805 fork version/epoch to the configs #4250

Testing

• Add test that affects the proposer selection #4230
• Add two consolidation request processing edge case tests #4246
• Fix the full consolidation queue test #4248
• Add test for withdrawal requests when pending queue is full #4252
• Add consolidation test with same source and target #4259

Other

• Close outdated issues, part 1 #4231
• Bump the actions group with 3 updates #4241
• Bump actions/setup-python from 5.4.0 to 5.5.0 in the actions group #4242
• Use mdformat for markdown formatting #4244
• Use black for linting tests directory #4245
• Bump the actions group with 3 updates #4249

Zapdos

v1.5.0-beta.4 -- Zapdos -- is a beta release for the upcoming Electra upgrade.

PR showing full diff can be found here: #4235

Electra

• Update fork trigger sections #4208
• Remove outdated paragraph about ExecutionPayloadV4 #4221

Fulu

• Create honest validator specifications #4135
• Add Distributed Blob Publishing to networking specifications #4183
• Update BlobsBundle #4187
• Clarify validator custody updates #4188
• Use finalized state for validator custody #4211
• Use effective balances to determine column custody #4218
• Add missing section headers in specifications #4223

EIP-7732 (ePBS)

• Run existing spec tests with EIP-7732 #3854

EIP-7805 (FOCIL)

• Add fork specifications for EIP-7805 #4191

Testing

• Test blob_kzg_commitments_merkle_proof with different blob counts #4161
• Fix a small bug in a pending consolidation test #4217
• Round down value when setting validator's effective balance #4229
• Add full_pending_withdrawals_but_first_skipped_* tests #4237
• Add multiple_pending_deposits_same_pubkey_different_signature test #4238
• Add withdrawal_and_consolidation_effective_balance_updates test #4239

Other

• Add weekly dependabot check for python dependencies #4110
• Update canonical network names for Hoodi #4166
• Improve readme and remove docker on tests #4178
• Remove CircleCI checks #4192
• Pin GitHub actions versions #4193
• Bump the actions group with 3 updates #4194
• Bump mkdocs-awesome-pages-plugin from 2.8.0 to 2.10.1 #4196
• Bump pytest from 8.3.4 to 8.3.5 #4197
• Bump mkdocs from 1.4.2 to 1.6.1 #4198
• Bump trie from 3.0.1 to 3.1.0 #4201
• Bump py-ecc from 6.0.0 to 7.0.1 #4202
• Group all dependabot python upgrades #4204
• Bump the actions group with 11 updates #4207
• Fix some typos in comments #4209
• Use consistent note style #4224
• Replace some instances of "extended" with "modified" #4225