Accumulation

v1.3.0-rc.0 -- Accumulation -- is the first release candidate for the coming Capella upgrade.

Capella specs are now feature complete and expected to be stable unless an unexpected issue arises.

4844 specs have been rebased (#3181) to be built on full Capella functionality. This is reflected in the test suite.

PR showing full diff can be found here: #3192

Capella

• Historical accumulators revamp #3165 #3186

R&D

Sharding and 4844

• Rebase 4844 on Capella functionality #3181
• BlobsSidecarsByRange: Change range lower bound to EIP4844_FORK_EPOCH #3163
• Clarify BeaconBlockAndBlobsSidecarByRoot no blob available #3154
• Handle unavailable data outside of prune window #3169
• Signify compute_kzg_proof as a public method #3167
• Move is_data_available check to fork-choice on_block #3185
• minor typos, edits, etc #3188

Light client

• Add block_to_light_client_header helper #3149

Testing, repo, etc

• Ensure that no duplicate block hashes in sync/from_syncing_to_invalid test case #3187

Goat Star

v1.3.0-alpha.2 -- Goat Star -- is an alpha pre-release containing iterative improvements to Capella and 4844 in preparation for the next wave of R&D testnets.

Note the feature addition of bounding the withdrawals sweep in Capella -- #3095. The rest is primarily config changes, clarifications, and minor fixes.

PR showing full diff can be found here: #3161

Phase 0

• Deprecate phase 0-only versions of beacon_blocks_by_{range,root} #3014

R&D

Withdrawals

• Clarify in docs that full withdrawals only apply to exited validators #3146
• Bound the maximum number of validators considered for withdrawals per sweep #3095

Sharding and 4844

• Remove optimistic sync mentions #3125
• Update MAX_BLOBS_PER_BLOCK to 4 #3145
• Update G2 trusted setup length to 65 #3156
• Clarify that z should not be in the domain #3159
• Minor typos, syntax, etc #3120, #3127, #3152, #3158

Light client

• Pass blocks to LC data creation functions #3070

Testing, repo, etc

• Proper EL block hash implementation in tests #3126
• Add EIP4844 pylint and Mypy checks #3134
• Cleanup explicit fork enumerations in tests #3107
• Add tests to test sync aggregate's order of balance operation #3157
• Minor formatting and other fixes

Karanikomoru

v1.3.0-alpha.1 -- Karanikomoru -- is an alpha pre-release containing iterative improvements to Capella and 4844 in preparation for the next wave of R&D testnets.

Note: There are a number small changes under consideration for Capella and 4844. We expect another release soon, but want to provide a stable target in the meantime.

PR showing full diff can be found here: #3116

R&D

Withdrawals

• Add Gossip Topic bls_to_execution_change #3075
• Add note about packing BLS to execution changes into a block #3081
• Withdrawals without queues #3068
• Add note to Capella validator guide about BLS to execution change #3084

Sharding and 4844

• Remove signed blobs #3062 #3083
• Fix type error in the inputs to hash_to_bls_field() #3077
• Update tx_peek_blob_versioned_hashes to match tx type from fee market update #3027
• Explicitly mention old gossip validations for block #3091
• Add block and sidecar retrival by root #3089
• Fix latest_execution_payload_header field in eip4844 state upgrade #3106
• Clarify deprecation of beacon_block gossip topic in 4844 #3090
• Rebase EIP-4844 on Capella #3052
• Make validate_blobs_sidecar a gossip condition #3108
• Refactor verify_kzg_proof() to receive bytes (used in precompile) #3097
• Testing, formatting, and name changes #3101, #3110, #3119

Light client

• Clarify where LC proofs are rooted #3065
• Document how to derive fork context for LC gossip #3063
• Fix slot checks in light client p2p spec #3086
• Testing, formatting, and name changes #3061, #3064, #3067, #3072, #3066

Testing, repo, etc

• Update remerkleable to 0.1.25 #3069
• Fix --preset-list argument and enhance error output #3111
• Minor formatting and other fixes #3071

Látigo Cepa

v1.3.0-alpha.0 -- Látigo Cepa -- is an alpha release containing withdrawal tests.

PR showing full diff can be found here: #3055

R&D

Withdrawals (Capella)

• Remove fully_withdrawn_epoch field from Validator #2998 #3029
• Add validator_index to Withdrawal #3050

Sharding and 4844

• Introduce bytes_to_bls_field helper #3015
• Fix bit_reversal_permutation helper's comment #3017
• Update ExecutionPayload with EIP-4844 fee market changes #3004
• Fix the notes of P2P-interface and the typo of validator guide #3019
• Fix type annotation #3021
• Modify MIN_EPOCHS_FOR_BLOBS_SIDECARS_REQUESTS to 18 days #3047
• EIP4844: couple beacon block and blob sidecar for p2p #3046

Testing, repo, etc

• Add partial withdrawal balance tests #3010
• Fix typos #3023 #3039
• Bump dep packages version and fix lint issues #3018 #3060
• Add some Capella sanity tests #3024
• Remove work-in-progress notes in Bellatrix specs #3033
• Add Capella test vectors #3040

Ailuropoda melanoleuca

v1.2.0 -- Ailuropoda melanoleuca -- is a semi-major release containing all production mainnet Bellatrix specifications.

Additionally, work continues on various R&D specifications such as Withdrawals and 4844.

PR showing full diff can be found here: #2999

R&D

Withdrawals

• Fix a few things in Capella specs #3002 #3007

Sharding and 4844

• Modify hash_to_bls_field logic #2981
• Fixing EIP-4844 function names #3005

Testing, repo, etc

• Extend fork_choice test format with on_payload_info #2965
• Add optimistic sync tests #2982
• Add test_process_deposit::test_key_validate_invalid #2989
• Update BLS test format: output null for invalid case #3001

Green and Colorado

v1.2.0-rc.3 -- Green and Colorado -- is a release candidate for Mainnet Bellatrix. This release contains additional important Bellatrix consensus test vectors.

Note: TERMINAL_TOTAL_DIFFICULTY was reassessed and confirmed on All Core Devs on 2022/8/18.

Note2: "Release candidate" (rc) distinction will be held on releases until after the mainnet Bellatrix upgrade. Once Mainnet runs the rule-set defined here a non-rc release will be made.

_PR showing full diff can be found here: #2977

Testing, repo, etc

• Add tests of processing objects of N-2 fork version #2976

Rhone and Arve

v1.2.0-rc.2 -- Rhone and Arve -- is a release candidate for Mainnet Bellatrix. This release includes the Mainnet BELLATRIX_FOR_EPOCH as well as the tentative TERMINAL_TOTAL_DIFFICULTY. Additionally, it includes a small number of new Bellatrix tests as well as many R&D updates to withdrawals, light clients, and 4844/sharding.

Note: TERMINAL_TOTAL_DIFFICULTY assessed and potentially adjusted to better target Sept 15, 2022, please monitor for further refinement releases.

Note2: "Release candidate" (rc) distinction will be held on releases until after the mainnet Bellatrix upgrade. Once Mainnet runs the rule-set defined here a non-rc release will be made.

_PR showing full diff can be found here: #2970

Bellatrix

• Merge mainnet ttd and bellatrix values #2969
• Opti-sync: How to apply latestValidHash when payload is INVALID #2954
• Opti-sync: Elaborate on why sync optimistically #2958
• Opti-sync: extend optimistic node definition #2955

R&D

Light client

• Allow light client to verify signatures at period boundary #2805
• Remove fork_version from LightClientUpdate #2916
• Allow LightClientUpdate with genesis finality #2924
• Allow passing redundant next_sync_committee #2927
• Root next_sync_committee in attested_header #2932
• Add LightClientBootstrap #2935
• Add functions for deriving light client data #2938
• Add LightClient(Finality|Optimistic)Update #2944
• Manually trigger LightClientStore force updates #2947
• Describe light client sync process #2951
• Define libp2p protocol for light client sync #280

Withdrawals

• Partial withdrawals #2862
• Fix Name Discrepancy (WITHDRAWAL_QUEUE_LIMIT) #2921

Sharding and 4844

• EIP-4844: Remove shard field from BlobsSidecar #2914
• Optimizing EIP-4844 block validation (using KZG proofs) #2915
• Executable EIP-4844 specs #2937
• WIP implementation of Danksharding #2792

Testing, repo, etc

• Tidy up README.md specs list #2903
• Include Bellatrix p2p interface specs into pyspec #2930
• Add summary diagnostics to spec test gen #2926
• More execution payload tests and cleanup old ones #2961
• A few more bellatrix tests #2962

Bopsten

v1.2.0-rc.1 -- Bopsten -- is semi-major version release candidate as we move into upgrading the long-standing public testnets for the Merge. There will be no breaking changes between this release candidate and the final v1.2.0 release unless late, unexpected issues are found in the testnet upgrades.

Additionally, this release contains a few important Phase 0 (thus affecting all phases) fixes, deprecations, and clarifications. Please review these and ensure software releases contain these updates prior to mainnet Bellatrix.

PR showing full diff can be found here: #2896

Phase 0

Beacon chain

• Add new DomainType for application usage with "internal" namespace #2884

Fork choice

• Remove equivocating validators from fork choice consideration #2845
• [Bugfix] Require fork choice to run before proposal #2878 #2897
• Update PROPOSER_SCORE_BOOST to 40 percent #2895

Validator

• Update 0x01 withdrawal credentials to balance update (no code exec) #2854

Networking

• Ignore subset aggregates #2847
• Ignore Aggregates Which Are Following the Wrong Finalized Checkpoint #2846
• Deprecate BeaconBlocksByRange.step #2856

Bellatrix

Fork choice

• Add safe_block_hash and set to Justified #2851 #2858 #2876
• Update PROPOSER_SCORE_BOOST to 40 percent #2895

Optimistic sync

• Optimistically import any post-merge block #2844
• Remove justified block from optimistic candidate conditions #2881
• Remove INVALID_TERMINAL_BLOCK #2891
• Remove API restrictions for optimistic sync #2869

R&D

Light client

• Ongoing light client patches #2807 #2814

Withdrawals

• A withdrawals push version #2836

Sharding and 4844

• Add CL specs for Shard Blob Transactions #2850

Testing, repo, etc

• Output attester_slashing data to fork choice test vectors #2849 #2877
• Add invalid large withdrawable epoch test #2887
• Ensure that the SSZ object classes are ordered when building #2837
• Bump milagro bls binding version #2893
• Misc, fixes, typos, etc #2870 #2872 #2889 #2899

Umbenennen

v1.1.10 -- Umbenennen -- is minor version release for the Kiln v2 testnet. The only change for Bellatrix is a minor renaming to match to the engine API / Execution-layer (#2835).

Additionally, this release includes some light client housekeeping as well as the loosening of a gossip condition from REJECT to IGNORE (#2830). Shout-out to @arnetheduck for ensuring we don't create network level deadlocks and partitions!

PR showing full diff can be found here: #2839

Bellatrix

• [non-substantive] Rename random -> prev_randao #2835

Light client

• Ongoing light client patches #2807 #2814

Phase 0

• IGNORE attestations voting for the wrong finalized checkpoint #2830
• Revert removal of aggregate deduplication condition #2838

Semantic Dispute

v1.1.9 -- Semantic Dispute -- is minor version release accompanying a breaking change to the Engine API semantics along with some minor refactors and new tests.

Additionally, this is the first release containing a full Optimistic Sync spec.

🎉Huge shoutout to @paulhauner, @ajsutton, and @mkalinin for formalizing this relatively complex, yet critical, piece of the Merge🎉

PR showing full diff can be found here: #2815

Bellatrix

• [non-substantive] Rename receipt_root -> receipts_root #2808
• Rename execute_payload to notify_new_payload #2817
• Add Optimistic Sync spec #2770 #2820

Light client

• Tidying light client specs #2798, #2797
• Rename sync_committee_aggregate > sync_aggregate #2796

Testing, repo, etc

• Extend Merge consensus tests #2787
• Add randomized tests for bellatrix #2821
• Extend SSZ test coverage #2790
• Add CONFIG_NAME to configs #2784